1131231022210 has 16 divisors (see below), whose sum is σ = 2036320574976. Its totient is φ = 452469134448.

The previous prime is 1131231022177. The next prime is 1131231022217. The reversal of 1131231022210 is 122201321311.

It is a super-2 number, since 2×1131231022210² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1131231022217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2704482 + ... + 3094621.

It is an arithmetic number, because the mean of its divisors is an integer number (127270035936).

Almost surely, 2^{1131231022210} is an apocalyptic number.

1131231022210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1131231022210 is a deficient number, since it is larger than the sum of its proper divisors (905089552766).

1131231022210 is a wasteful number, since it uses less digits than its factorization.

1131231022210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5818617.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1131231022210 its reverse (122201321311), we get a palindrome (1253432343521).

The spelling of 1131231022210 in words is "one trillion, one hundred thirty-one billion, two hundred thirty-one million, twenty-two thousand, two hundred ten".