121100131122133 has 4 divisors (see below), whose sum is σ = 121301628845068. Its totient is φ = 120898633399200.

The previous prime is 121100131122109. The next prime is 121100131122137. The reversal of 121100131122133 is 331221131001121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 39354067051524 + 81746064070609 = 6273282^2 + 9041353^2 .

It is a cyclic number.

It is not a de Polignac number, because 121100131122133 - 2⁹ = 121100131121621 is a prime.

It is a super-2 number, since 2×121100131122133² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121100131122137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100748860566 + ... + 100748861767.

It is an arithmetic number, because the mean of its divisors is an integer number (30325407211267).

Almost surely, 2^{121100131122133} is an apocalyptic number.

It is an amenable number.

121100131122133 is a deficient number, since it is larger than the sum of its proper divisors (201497722935).

121100131122133 is an equidigital number, since it uses as much as digits as its factorization.

121100131122133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201497722934.

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 121100131122133 its reverse (331221131001121), we get a palindrome (452321262123254).

The spelling of 121100131122133 in words is "one hundred twenty-one trillion, one hundred billion, one hundred thirty-one million, one hundred twenty-two thousand, one hundred thirty-three".