1222112111202 has 40 divisors (see below), whose sum is σ = 2832865249500. Its totient is φ = 393323436576.

The previous prime is 1222112111179. The next prime is 1222112111237. The reversal of 1222112111202 is 2021112112221.

1222112111202 is a `hidden beast` number, since 122 + 211 + 211 + 120 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1222083819441 + 28291761 = 1105479^2 + 5319^2 .

It is a super-2 number, since 2×1222112111202² (a number of 25 digits) contains 22 as substring.

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 19 ways as a sum of consecutive naturals, for example, 130062577 + ... + 130071972.

Almost surely, 2^{1222112111202} is an apocalyptic number.

1222112111202 is an abundant number, since it is smaller than the sum of its proper divisors (1610753138298).

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

1222112111202 is a wasteful number, since it uses less digits than its factorization.

1222112111202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260134592 (or 260134583 counting only the distinct ones).

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

Adding to 1222112111202 its reverse (2021112112221), we get a palindrome (3243224223423).

The spelling of 1222112111202 in words is "one trillion, two hundred twenty-two billion, one hundred twelve million, one hundred eleven thousand, two hundred two".