1131202022022 has 48 divisors (see below), whose sum is σ = 2544109927632. Its totient is φ = 376711780320.

The previous prime is 1131202022011. The next prime is 1131202022081. The reversal of 1131202022022 is 2202202021311.

It is a super-2 number, since 2×1131202022022² (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 a junction number, because it is equal to n+sod(n) for n = 1131202021986 and 1131202022004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 581233 + ... + 1612524.

It is an arithmetic number, because the mean of its divisors is an integer number (53002290159).

Almost surely, 2^{1131202022022} is an apocalyptic number.

1131202022022 is an abundant number, since it is smaller than the sum of its proper divisors (1412907905610).

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

1131202022022 is a wasteful number, since it uses less digits than its factorization.

1131202022022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2194835 (or 2194823 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 1131202022022 its reverse (2202202021311), we get a palindrome (3333404043333).

The spelling of 1131202022022 in words is "one trillion, one hundred thirty-one billion, two hundred two million, twenty-two thousand, twenty-two".