2100310200121 has 16 divisors (see below), whose sum is σ = 2419547378688. Its totient is φ = 1785881120400.

The previous prime is 2100310200077. The next prime is 2100310200151. The reversal of 2100310200121 is 1210020130012.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2100310200121 is a prime.

It is a super-2 number, since 2×2100310200121² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2100310200151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2149026 + ... + 2969668.

It is an arithmetic number, because the mean of its divisors is an integer number (151221711168).

Almost surely, 2^{2100310200121} is an apocalyptic number.

It is an amenable number.

2100310200121 is a deficient number, since it is larger than the sum of its proper divisors (319237178567).

2100310200121 is a wasteful number, since it uses less digits than its factorization.

2100310200121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823572.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 2100310200121 its reverse (1210020130012), we get a palindrome (3310330330133).

The spelling of 2100310200121 in words is "two trillion, one hundred billion, three hundred ten million, two hundred thousand, one hundred twenty-one".