2100210011201 has 4 divisors (see below), whose sum is σ = 2172631046100. Its totient is φ = 2027788976304.

The previous prime is 2100210011183. The next prime is 2100210011213. The reversal of 2100210011201 is 1021100120012.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1472667196225 + 627542814976 = 1213535^2 + 792176^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2100210011201 is a prime.

It is a super-2 number, since 2×2100210011201² (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 (2100210011401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36210517406 + ... + 36210517463.

It is an arithmetic number, because the mean of its divisors is an integer number (543157761525).

Almost surely, 2^{2100210011201} is an apocalyptic number.

It is an amenable number.

2100210011201 is a deficient number, since it is larger than the sum of its proper divisors (72421034899).

2100210011201 is an equidigital number, since it uses as much as digits as its factorization.

2100210011201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72421034898.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 2100210011201 its reverse (1021100120012), we get a palindrome (3121310131213).

The spelling of 2100210011201 in words is "two trillion, one hundred billion, two hundred ten million, eleven thousand, two hundred one".