2125620236121 has 8 divisors (see below), whose sum is σ = 2900071020000. Its totient is φ = 1384124804832.

The previous prime is 2125620236107. The next prime is 2125620236141. The reversal of 2125620236121 is 1216320265212.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2125620236121 - 2¹⁹ = 2125619711833 is a prime.

It is a super-2 number, since 2×2125620236121² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2125620236101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8238837996 + ... + 8238838253.

It is an arithmetic number, because the mean of its divisors is an integer number (362508877500).

Almost surely, 2^{2125620236121} is an apocalyptic number.

It is an amenable number.

2125620236121 is a deficient number, since it is larger than the sum of its proper divisors (774450783879).

2125620236121 is a wasteful number, since it uses less digits than its factorization.

2125620236121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16477676295.

The product of its (nonzero) digits is 17280, while the sum is 33.

The spelling of 2125620236121 in words is "two trillion, one hundred twenty-five billion, six hundred twenty million, two hundred thirty-six thousand, one hundred twenty-one".