111020220211122 has 24 divisors (see below), whose sum is σ = 240544009368000. Its totient is φ = 37006709468760.

The previous prime is 111020220211039. The next prime is 111020220211129. The reversal of 111020220211122 is 221112022020111.

111020220211122 is a `hidden beast` number, since 1 + 110 + 2 + 0 + 220 + 211 + 122 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 111020220211095 and 111020220211104.

It is not an unprimeable number, because it can be changed into a prime (111020220211129) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33913347 + ... + 37042617.

It is an arithmetic number, because the mean of its divisors is an integer number (10022667057000).

Almost surely, 2^{111020220211122} is an apocalyptic number.

111020220211122 is an abundant number, since it is smaller than the sum of its proper divisors (129523789156878).

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

111020220211122 is a wasteful number, since it uses less digits than its factorization.

111020220211122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5100278 (or 5100275 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 111020220211122 its reverse (221112022020111), we get a palindrome (332132242231233).

The spelling of 111020220211122 in words is "one hundred eleven trillion, twenty billion, two hundred twenty million, two hundred eleven thousand, one hundred twenty-two".