111021202210122 has 96 divisors (see below), whose sum is σ = 248357358662400. Its totient is φ = 35816423889024.

The previous prime is 111021202210099. The next prime is 111021202210189. The reversal of 111021202210122 is 221012202120111.

111021202210122 is a `hidden beast` number, since 1 + 110 + 21 + 202 + 210 + 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 = 111021202210095 and 111021202210104.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 94496329 + ... + 95663987.

It is an arithmetic number, because the mean of its divisors is an integer number (2587055819400).

Almost surely, 2^{111021202210122} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111021202210122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124178679331200).

111021202210122 is an abundant number, since it is smaller than the sum of its proper divisors (137336156452278).

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

111021202210122 is a wasteful number, since it uses less digits than its factorization.

111021202210122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1168460 (or 1168457 counting only the distinct ones).

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

Adding to 111021202210122 its reverse (221012202120111), we get a palindrome (332033404330233).

The spelling of 111021202210122 in words is "one hundred eleven trillion, twenty-one billion, two hundred two million, two hundred ten thousand, one hundred twenty-two".