2100212220201 has 8 divisors (see below), whose sum is σ = 2804851124160. Its totient is φ = 1397857398192.

The previous prime is 2100212220199. The next prime is 2100212220209. The reversal of 2100212220201 is 1020222120012.

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

It is not a de Polignac number, because 2100212220201 - 2¹ = 2100212220199 is a prime.

It is a super-2 number, since 2×2100212220201² (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 (2100212220209) 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, 571018341 + ... + 571022018.

It is an arithmetic number, because the mean of its divisors is an integer number (350606390520).

Almost surely, 2^{2100212220201} is an apocalyptic number.

It is an amenable number.

2100212220201 is a deficient number, since it is larger than the sum of its proper divisors (704638903959).

2100212220201 is a wasteful number, since it uses less digits than its factorization.

2100212220201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1142040975.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2100212220201 its reverse (1020222120012), we get a palindrome (3120434340213).

The spelling of 2100212220201 in words is "two trillion, one hundred billion, two hundred twelve million, two hundred twenty thousand, two hundred one".