111102212021202 has 64 divisors (see below), whose sum is σ = 248419368529920. Its totient is φ = 36805924310400.

The previous prime is 111102212021191. The next prime is 111102212021243. The reversal of 111102212021202 is 202120212201111.

111102212021202 is a `hidden beast` number, since 11 + 110 + 221 + 202 + 120 + 2 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3746949 + ... + 15370232.

It is an arithmetic number, because the mean of its divisors is an integer number (3881552633280).

Almost surely, 2^{111102212021202} is an apocalyptic number.

111102212021202 is an abundant number, since it is smaller than the sum of its proper divisors (137317156508718).

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

111102212021202 is a wasteful number, since it uses less digits than its factorization.

111102212021202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19117856 (or 19117850 counting only the distinct ones).

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

Adding to 111102212021202 its reverse (202120212201111), we get a palindrome (313222424222313).

The spelling of 111102212021202 in words is "one hundred eleven trillion, one hundred two billion, two hundred twelve million, twenty-one thousand, two hundred two".