111002110120122 has 64 divisors (see below), whose sum is σ = 241914499706880. Its totient is φ = 33751958385600.

The previous prime is 111002110120093. The next prime is 111002110120127. The reversal of 111002110120122 is 221021011200111.

It is a happy number.

It is a super-2 number, since 2×111002110120122² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (111002110120127) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20284654 + ... + 25168857.

It is an arithmetic number, because the mean of its divisors is an integer number (3779914057920).

Almost surely, 2^{111002110120122} is an apocalyptic number.

111002110120122 is an abundant number, since it is smaller than the sum of its proper divisors (130912389586758).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111002110120122 is a wasteful number, since it uses less digits than its factorization.

111002110120122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45453899.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 111002110120122 its reverse (221021011200111), we get a palindrome (332023121320233).

The spelling of 111002110120122 in words is "one hundred eleven trillion, two billion, one hundred ten million, one hundred twenty thousand, one hundred twenty-two".