111001211012012 has 12 divisors (see below), whose sum is σ = 194252197327776. Its totient is φ = 55500583204080.

The previous prime is 111001211011979. The next prime is 111001211012017. The reversal of 111001211012012 is 210210112100111.

It is a super-2 number, since 2×111001211012012² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (111001211012017) 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, 11295437 + ... + 18697307.

It is an arithmetic number, because the mean of its divisors is an integer number (16187683110648).

Almost surely, 2^{111001211012012} is an apocalyptic number.

It is an amenable number.

111001211012012 is a deficient number, since it is larger than the sum of its proper divisors (83250986315764).

111001211012012 is a wasteful number, since it uses less digits than its factorization.

111001211012012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11150968 (or 11150966 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 111001211012012 its reverse (210210112100111), we get a palindrome (321211323112123).

The spelling of 111001211012012 in words is "one hundred eleven trillion, one billion, two hundred eleven million, twelve thousand, twelve".