1131012120233 has 16 divisors (see below), whose sum is σ = 1182245955072. Its totient is φ = 1080715392000.

The previous prime is 1131012120211. The next prime is 1131012120269. The reversal of 1131012120233 is 3320212101311.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1131012120233 - 2²⁴ = 1130995343017 is a prime.

It is a super-2 number, since 2×1131012120233² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1131012120533) 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, 4353353 + ... + 4605833.

It is an arithmetic number, because the mean of its divisors is an integer number (73890372192).

Almost surely, 2^{1131012120233} is an apocalyptic number.

It is an amenable number.

1131012120233 is a deficient number, since it is larger than the sum of its proper divisors (51233834839).

1131012120233 is a wasteful number, since it uses less digits than its factorization.

1131012120233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254336.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1131012120233 its reverse (3320212101311), we get a palindrome (4451224221544).

The spelling of 1131012120233 in words is "one trillion, one hundred thirty-one billion, twelve million, one hundred twenty thousand, two hundred thirty-three".