111202220211122 has 64 divisors (see below), whose sum is σ = 180160035148800. Its totient is φ = 51348062937600.

The previous prime is 111202220211091. The next prime is 111202220211127. The reversal of 111202220211122 is 221112022202111.

It is a junction number, because it is equal to n+sod(n) for n = 111202220211094 and 111202220211103.

It is not an unprimeable number, because it can be changed into a prime (111202220211127) 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, 75424688 + ... + 76884900.

It is an arithmetic number, because the mean of its divisors is an integer number (2815000549200).

Almost surely, 2^{111202220211122} is an apocalyptic number.

111202220211122 is a deficient number, since it is larger than the sum of its proper divisors (68957814937678).

111202220211122 is a wasteful number, since it uses less digits than its factorization.

111202220211122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1460699.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 111202220211122 its reverse (221112022202111), we get a palindrome (332314242413233).

It can be divided in two parts, 1112022202111 and 22, that multiplied together give a palindrome (24464488446442).

The spelling of 111202220211122 in words is "one hundred eleven trillion, two hundred two billion, two hundred twenty million, two hundred eleven thousand, one hundred twenty-two".