111211202012202 has 24 divisors (see below), whose sum is σ = 240957801323460. Its totient is φ = 37070370368640.

The previous prime is 111211202012189. The next prime is 111211202012213. The reversal of 111211202012202 is 202210202112111.

111211202012202 is a `hidden beast` number, since 1 + 1 + 121 + 120 + 201 + 220 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 82579402957041 + 28631799055161 = 9087321^2 + 5350869^2 .

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 11 ways as a sum of consecutive naturals, for example, 35956324 + ... + 38926592.

Almost surely, 2^{111211202012202} is an apocalyptic number.

111211202012202 is an abundant number, since it is smaller than the sum of its proper divisors (129746599311258).

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

111211202012202 is a wasteful number, since it uses less digits than its factorization.

111211202012202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5050358 (or 5050355 counting only the distinct ones).

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

Adding to 111211202012202 its reverse (202210202112111), we get a palindrome (313421404124313).

Subtracting 111211202012202 from its reverse (202210202112111), we obtain a palindrome (90999000099909).

The spelling of 111211202012202 in words is "one hundred eleven trillion, two hundred eleven billion, two hundred two million, twelve thousand, two hundred two".