1131222122202 has 32 divisors (see below), whose sum is σ = 2316029538240. Its totient is φ = 368150509440.

The previous prime is 1131222122197. The next prime is 1131222122257. The reversal of 1131222122202 is 2022212221311.

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, 301299 + ... + 1534022.

It is an arithmetic number, because the mean of its divisors is an integer number (72375923070).

Almost surely, 2^{1131222122202} is an apocalyptic number.

1131222122202 is an abundant number, since it is smaller than the sum of its proper divisors (1184807416038).

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

1131222122202 is a wasteful number, since it uses less digits than its factorization.

1131222122202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1837758.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 1131222122202 its reverse (2022212221311), we get a palindrome (3153434343513).

It can be divided in two parts, 11 and 31222122202, that added together give a palindrome (31222122213).

The spelling of 1131222122202 in words is "one trillion, one hundred thirty-one billion, two hundred twenty-two million, one hundred twenty-two thousand, two hundred two".