111221010222202 has 32 divisors (see below), whose sum is σ = 170033864509584. Its totient is φ = 54543732672000.

The previous prime is 111221010222173. The next prime is 111221010222233. The reversal of 111221010222202 is 202222010122111.

It can be written as a sum of positive squares in 8 ways, for example, as 111162039442281 + 58970779921 = 10543341^2 + 242839^2 .

It is a super-2 number, since 2×111221010222202² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 111221010222202.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8252646688 + ... + 8252660164.

Almost surely, 2^{111221010222202} is an apocalyptic number.

111221010222202 is a deficient number, since it is larger than the sum of its proper divisors (58812854287382).

111221010222202 is a wasteful number, since it uses less digits than its factorization.

111221010222202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32754.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 111221010222202 its reverse (202222010122111), we get a palindrome (313443020344313).

The spelling of 111221010222202 in words is "one hundred eleven trillion, two hundred twenty-one billion, ten million, two hundred twenty-two thousand, two hundred two".