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101102201212021 = 828712200096683
BaseRepresentation
bin10110111111001110110000…
…110010100000110001110101
3111020222021110020100110020121
4112333032300302200301311
5101222424302002241041
6555005413211531541
730203251536644452
oct2677166062406165
9436867406313217
10101102201212021
112a23a225945359
12b40a34a759bb1
134454b86c88429
141ad7530790829
15ba4d7862b7d1
hex5bf3b0ca0c75

101102201212021 has 4 divisors (see below), whose sum is σ = 101114401316992. Its totient is φ = 101090001107052.

The previous prime is 101102201211961. The next prime is 101102201212027. The reversal of 101102201212021 is 120212102201101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-101102201212021 is a prime.

It is a super-2 number, since 2×1011022012120212 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101102201211986 and 101102201212004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101102201212027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6100040055 + ... + 6100056628.

It is an arithmetic number, because the mean of its divisors is an integer number (25278600329248).

Almost surely, 2101102201212021 is an apocalyptic number.

It is an amenable number.

101102201212021 is a deficient number, since it is larger than the sum of its proper divisors (12200104971).

101102201212021 is an equidigital number, since it uses as much as digits as its factorization.

101102201212021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12200104970.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 101102201212021 its reverse (120212102201101), we get a palindrome (221314303413122).

The spelling of 101102201212021 in words is "one hundred one trillion, one hundred two billion, two hundred one million, two hundred twelve thousand, twenty-one".

Divisors: 1 8287 12200096683 101102201212021