1121011123131 has 24 divisors (see below), whose sum is σ = 1637323191504. Its totient is φ = 739012449600.

The previous prime is 1121011123109. The next prime is 1121011123157. The reversal of 1121011123131 is 1313211101211.

It is not a de Polignac number, because 1121011123131 - 2²⁵ = 1120977568699 is a prime.

It is a super-2 number, since 2×1121011123131² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1121011123181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49201 + ... + 1498146.

It is an arithmetic number, because the mean of its divisors is an integer number (68221799646).

Almost surely, 2^{1121011123131} is an apocalyptic number.

1121011123131 is a deficient number, since it is larger than the sum of its proper divisors (516312068373).

1121011123131 is a wasteful number, since it uses less digits than its factorization.

1121011123131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1548251 (or 1548248 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

Adding to 1121011123131 its reverse (1313211101211), we get a palindrome (2434222224342).

The spelling of 1121011123131 in words is "one trillion, one hundred twenty-one billion, eleven million, one hundred twenty-three thousand, one hundred thirty-one".