2100298207551 has 64 divisors (see below), whose sum is σ = 2898215976960. Its totient is φ = 1352353242240.

The previous prime is 2100298207541. The next prime is 2100298207571. The reversal of 2100298207551 is 1557028920012.

It is not a de Polignac number, because 2100298207551 - 2²¹ = 2100296110399 is a prime.

It is a super-2 number, since 2×2100298207551² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100298207531) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1306967590 + ... + 1306969196.

It is an arithmetic number, because the mean of its divisors is an integer number (45284624640).

Almost surely, 2^{2100298207551} is an apocalyptic number.

2100298207551 is a deficient number, since it is larger than the sum of its proper divisors (797917769409).

2100298207551 is a wasteful number, since it uses less digits than its factorization.

2100298207551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2276.

The product of its (nonzero) digits is 100800, while the sum is 42.

The spelling of 2100298207551 in words is "two trillion, one hundred billion, two hundred ninety-eight million, two hundred seven thousand, five hundred fifty-one".