1131220131122 has 32 divisors (see below), whose sum is σ = 1795426590720. Its totient is φ = 533057688720.

The previous prime is 1131220131091. The next prime is 1131220131131. The reversal of 1131220131122 is 2211310221311.

It is a junction number, because it is equal to n+sod(n) for n = 1131220131094 and 1131220131103.

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, 12011597 + ... + 12105407.

It is an arithmetic number, because the mean of its divisors is an integer number (56107080960).

Almost surely, 2^{1131220131122} is an apocalyptic number.

1131220131122 is a deficient number, since it is larger than the sum of its proper divisors (664206459598).

1131220131122 is a wasteful number, since it uses less digits than its factorization.

1131220131122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95478.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 1131220131122 its reverse (2211310221311), we get a palindrome (3342530352433).

The spelling of 1131220131122 in words is "one trillion, one hundred thirty-one billion, two hundred twenty million, one hundred thirty-one thousand, one hundred twenty-two".