111020221111122 has 24 divisors (see below), whose sum is σ = 240544223758800. Its totient is φ = 37006677085560.

The previous prime is 111020221111001. The next prime is 111020221111201. The reversal of 111020221111122 is 221111122020111.

It is a happy number.

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 = 111020221111095 and 111020221111104.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6221629 + ... + 16147727.

It is an arithmetic number, because the mean of its divisors is an integer number (10022675989950).

Almost surely, 2^{111020221111122} is an apocalyptic number.

111020221111122 is an abundant number, since it is smaller than the sum of its proper divisors (129524002647678).

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

111020221111122 is a wasteful number, since it uses less digits than its factorization.

111020221111122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10547478 (or 10547475 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 111020221111122 its reverse (221111122020111), we get a palindrome (332131343131233).

The spelling of 111020221111122 in words is "one hundred eleven trillion, twenty billion, two hundred twenty-one million, one hundred eleven thousand, one hundred twenty-two".