121133222125 has 16 divisors (see below), whose sum is σ = 151194139200. Its totient is φ = 96893835600.

The previous prime is 121133222047. The next prime is 121133222183. The reversal of 121133222125 is 521222331121.

It is not a de Polignac number, because 121133222125 - 2¹⁵ = 121133189357 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 121133222125.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 955726 + ... + 1075024.

It is an arithmetic number, because the mean of its divisors is an integer number (9449633700).

Almost surely, 2^121133222125 is an apocalyptic number.

It is an amenable number.

121133222125 is a deficient number, since it is larger than the sum of its proper divisors (30060917075).

121133222125 is an equidigital number, since it uses as much as digits as its factorization.

121133222125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127437 (or 127427 counting only the distinct ones).

The product of its digits is 1440, while the sum is 25.

Adding to 121133222125 its reverse (521222331121), we get a palindrome (642355553246).

The spelling of 121133222125 in words is "one hundred twenty-one billion, one hundred thirty-three million, two hundred twenty-two thousand, one hundred twenty-five".