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10112221010021 = 131395596137803
BaseRepresentation
bin1001001100100110111101…
…0101110101100001100101
31022210201102001212020011212
42103021233111311201211
52311134312034310041
633301253514441205
72062404156240524
oct223115725654145
938721361766155
1010112221010021
1132496291538a9
121173996433205
13584769831b30
1426d61129c4bb
151280970078eb
hex9326f575865

10112221010021 has 8 divisors (see below), whose sum is σ = 10968430095840. Its totient is φ = 9267204200112.

The previous prime is 10112221009987. The next prime is 10112221010041. The reversal of 10112221010021 is 12001012221101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10112221010021 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10112221009978 and 10112221010005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10112221010041) 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 7 ways as a sum of consecutive naturals, for example, 2798067095 + ... + 2798070708.

It is an arithmetic number, because the mean of its divisors is an integer number (1371053761980).

Almost surely, 210112221010021 is an apocalyptic number.

It is an amenable number.

10112221010021 is a deficient number, since it is larger than the sum of its proper divisors (856209085819).

10112221010021 is a wasteful number, since it uses less digits than its factorization.

10112221010021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5596137955.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 10112221010021 its reverse (12001012221101), we get a palindrome (22113233231122).

The spelling of 10112221010021 in words is "ten trillion, one hundred twelve billion, two hundred twenty-one million, ten thousand, twenty-one".

Divisors: 1 13 139 1807 5596137803 72749791439 777863154617 10112221010021