1131022210420 has 48 divisors (see below), whose sum is σ = 2514954355200. Its totient is φ = 425780816384.

The previous prime is 1131022210393. The next prime is 1131022210427. The reversal of 1131022210420 is 240122201311.

It is a super-2 number, since 2×1131022210420² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131022210427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13519881 + ... + 13603279.

It is an arithmetic number, because the mean of its divisors is an integer number (52394882400).

Almost surely, 2^{1131022210420} is an apocalyptic number.

1131022210420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1131022210420 is an abundant number, since it is smaller than the sum of its proper divisors (1383932144780).

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

1131022210420 is a wasteful number, since it uses less digits than its factorization.

1131022210420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123312 (or 123310 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 1131022210420 its reverse (240122201311), we get a palindrome (1371144411731).

The spelling of 1131022210420 in words is "one trillion, one hundred thirty-one billion, twenty-two million, two hundred ten thousand, four hundred twenty".