111011200021122 has 16 divisors (see below), whose sum is σ = 222023600450400. Its totient is φ = 37003533272352.

The previous prime is 111011200021091. The next prime is 111011200021129. The reversal of 111011200021122 is 221120002110111.

It is a happy number.

It is a super-2 number, since 2×111011200021122² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (111011200021129) 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, 48812563 + ... + 51036150.

It is an arithmetic number, because the mean of its divisors is an integer number (13876475028150).

Almost surely, 2^{111011200021122} is an apocalyptic number.

111011200021122 is an abundant number, since it is smaller than the sum of its proper divisors (111012400429278).

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

111011200021122 is a wasteful number, since it uses less digits than its factorization.

111011200021122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100034017.

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

Adding to 111011200021122 its reverse (221120002110111), we get a palindrome (332131202131233).

The spelling of 111011200021122 in words is "one hundred eleven trillion, eleven billion, two hundred million, twenty-one thousand, one hundred twenty-two".