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110000202112021 = 138461554008617
BaseRepresentation
bin11001000000101101101010…
…111110001101110000010101
3112102110220202012212010200111
4121000231222332031300111
5103404220403220041041
61025541221211443021
732112152360451454
oct3100555276156025
9472426665763614
10110000202112021
113205a907435a21
1210406939156471
13494bc89117b80
141d24076b12b9b
15cab557337981
hex640b6af8dc15

110000202112021 has 4 divisors (see below), whose sum is σ = 118461756120652. Its totient is φ = 101538648103392.

The previous prime is 110000202111997. The next prime is 110000202112039. The reversal of 110000202112021 is 120211202000011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6836975087121 + 103163227024900 = 2614761^2 + 10156930^2 .

It is a cyclic number.

It is not a de Polignac number, because 110000202112021 - 221 = 110000200014869 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13), and also a Moran number because the ratio is a prime number: 8461554008617 = 110000202112021 / (1 + 1 + 0 + 0 + 0 + 0 + 2 + 0 + 2 + 1 + 1 + 2 + 0 + 2 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110000202111992 and 110000202112010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110000202112061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4230777004296 + ... + 4230777004321.

It is an arithmetic number, because the mean of its divisors is an integer number (29615439030163).

Almost surely, 2110000202112021 is an apocalyptic number.

It is an amenable number.

110000202112021 is a deficient number, since it is larger than the sum of its proper divisors (8461554008631).

110000202112021 is an equidigital number, since it uses as much as digits as its factorization.

110000202112021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8461554008630.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 110000202112021 its reverse (120211202000011), we get a palindrome (230211404112032).

The spelling of 110000202112021 in words is "one hundred ten trillion, two hundred two million, one hundred twelve thousand, twenty-one".

Divisors: 1 13 8461554008617 110000202112021