1121002111131 has 32 divisors (see below), whose sum is σ = 1734003499008. Its totient is φ = 630897426720.

The previous prime is 1121002111081. The next prime is 1121002111133. The reversal of 1121002111131 is 1311112001211.

It is not a de Polignac number, because 1121002111131 - 2¹⁸ = 1121001848987 is a prime.

It is a super-2 number, since 2×1121002111131² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1121002111131.

It is not an unprimeable number, because it can be changed into a prime (1121002111133) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8011036 + ... + 8149766.

It is an arithmetic number, because the mean of its divisors is an integer number (54187609344).

Almost surely, 2^{1121002111131} is an apocalyptic number.

1121002111131 is a deficient number, since it is larger than the sum of its proper divisors (613001387877).

1121002111131 is a wasteful number, since it uses less digits than its factorization.

1121002111131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144551.

The product of its (nonzero) digits is 12, while the sum is 15.

Adding to 1121002111131 its reverse (1311112001211), we get a palindrome (2432114112342).

The spelling of 1121002111131 in words is "one trillion, one hundred twenty-one billion, two million, one hundred eleven thousand, one hundred thirty-one".