10000111112212 has 48 divisors (see below), whose sum is σ = 18896455040400. Its totient is φ = 4603177377792.

The previous prime is 10000111112183. The next prime is 10000111112213. The reversal of 10000111112212 is 21221111100001.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 2668341852036 + 7331769260176 = 1633506^2 + 2707724^2 .

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 10000111112192 and 10000111112201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10000111112213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54940378 + ... + 55122094.

It is an arithmetic number, because the mean of its divisors is an integer number (393676146675).

Almost surely, 2^{10000111112212} is an apocalyptic number.

It is an amenable number.

10000111112212 is a deficient number, since it is larger than the sum of its proper divisors (8896343928188).

10000111112212 is a wasteful number, since it uses less digits than its factorization.

10000111112212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184540 (or 184538 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 10000111112212 its reverse (21221111100001), we get a palindrome (31221222212213).

The spelling of 10000111112212 in words is "ten trillion, one hundred eleven million, one hundred twelve thousand, two hundred twelve".