111020000122122 has 128 divisors (see below), whose sum is σ = 279214257143808. Its totient is φ = 28649213049600.

The previous prime is 111020000122099. The next prime is 111020000122139. The reversal of 111020000122122 is 221221000020111.

111020000122122 is a modest number, since divided by 122122 gives 11102 as remainder.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2364558 + ... + 15087449.

It is an arithmetic number, because the mean of its divisors is an integer number (2181361383936).

Almost surely, 2^{111020000122122} is an apocalyptic number.

111020000122122 is an abundant number, since it is smaller than the sum of its proper divisors (168194257021686).

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

111020000122122 is a wasteful number, since it uses less digits than its factorization.

111020000122122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17452284.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 111020000122122 its reverse (221221000020111), we get a palindrome (332241000142233).

The spelling of 111020000122122 in words is "one hundred eleven trillion, twenty billion, one hundred twenty-two thousand, one hundred twenty-two".