111220012202 has 16 divisors (see below), whose sum is σ = 179670030120. Its totient is φ = 51330332352.

The previous prime is 111220012193. The next prime is 111220012219. The reversal of 111220012202 is 202210022111.

It can be written as a sum of positive squares in 4 ways, for example, as 93189162361 + 18030849841 = 305269^2 + 134279^2 .

It is a super-2 number, since 2×111220012202² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 770468 + ... + 903360.

Almost surely, 2^111220012202 is an apocalyptic number.

111220012202 is a deficient number, since it is larger than the sum of its proper divisors (68450017918).

111220012202 is a wasteful number, since it uses less digits than its factorization.

111220012202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165097.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 111220012202 its reverse (202210022111), we get a palindrome (313430034313).

Subtracting 111220012202 from its reverse (202210022111), we obtain a palindrome (90990009909).

The spelling of 111220012202 in words is "one hundred eleven billion, two hundred twenty million, twelve thousand, two hundred two".