1121121200131 has 2 divisors, whose sum is σ = 1121121200132. Its totient is φ = 1121121200130.

The previous prime is 1121121200117. The next prime is 1121121200189. The reversal of 1121121200131 is 1310021211211.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1121121200131 - 2²¹ = 1121119102979 is a prime.

It is a super-2 number, since 2×1121121200131² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1121121200531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560560600065 + 560560600066.

It is an arithmetic number, because the mean of its divisors is an integer number (560560600066).

Almost surely, 2^{1121121200131} is an apocalyptic number.

1121121200131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121121200131 is an equidigital number, since it uses as much as digits as its factorization.

1121121200131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 1121121200131 its reverse (1310021211211), we get a palindrome (2431142411342).

The spelling of 1121121200131 in words is "one trillion, one hundred twenty-one billion, one hundred twenty-one million, two hundred thousand, one hundred thirty-one".