1121233202131 has 16 divisors (see below), whose sum is σ = 1356867239616. Its totient is φ = 904470368256.

The previous prime is 1121233202123. The next prime is 1121233202137. The reversal of 1121233202131 is 1312023321211.

It is not a de Polignac number, because 1121233202131 - 2³ = 1121233202123 is a prime.

It is a super-2 number, since 2×1121233202131² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1121233202137) 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, 1788675 + ... + 2332771.

It is an arithmetic number, because the mean of its divisors is an integer number (84804202476).

Almost surely, 2^{1121233202131} is an apocalyptic number.

1121233202131 is a deficient number, since it is larger than the sum of its proper divisors (235634037485).

1121233202131 is a wasteful number, since it uses less digits than its factorization.

1121233202131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561438.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 1121233202131 its reverse (1312023321211), we get a palindrome (2433256523342).

The spelling of 1121233202131 in words is "one trillion, one hundred twenty-one billion, two hundred thirty-three million, two hundred two thousand, one hundred thirty-one".