2100231121995 has 48 divisors (see below), whose sum is σ = 3833762649600. Its totient is φ = 1060681469760.

The previous prime is 2100231121939. The next prime is 2100231122081. The reversal of 2100231121995 is 5991211320012.

2100231121995 is a `hidden beast` number, since 210 + 0 + 231 + 121 + 9 + 95 = 666.

It is not a de Polignac number, because 2100231121995 - 2⁶ = 2100231121931 is a prime.

It is a super-4 number, since 4×2100231121995⁴ (a number of 50 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1299390 + ... + 2426700.

It is an arithmetic number, because the mean of its divisors is an integer number (79870055200).

Almost surely, 2^{2100231121995} is an apocalyptic number.

2100231121995 is a deficient number, since it is larger than the sum of its proper divisors (1733531527605).

2100231121995 is a wasteful number, since it uses less digits than its factorization.

2100231121995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1129520 (or 1129517 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 36.

The spelling of 2100231121995 in words is "two trillion, one hundred billion, two hundred thirty-one million, one hundred twenty-one thousand, nine hundred ninety-five".