2100200021201 has 8 divisors (see below), whose sum is σ = 2151551599008. Its totient is φ = 2048854500000.

The previous prime is 2100200021197. The next prime is 2100200021209. The reversal of 2100200021201 is 1021200020012.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2100200021201 - 2² = 2100200021197 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2100200021209) 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, 808175 + ... + 2203076.

It is an arithmetic number, because the mean of its divisors is an integer number (268943949876).

Almost surely, 2^{2100200021201} is an apocalyptic number.

It is an amenable number.

2100200021201 is a deficient number, since it is larger than the sum of its proper divisors (51351577807).

2100200021201 is a wasteful number, since it uses less digits than its factorization.

2100200021201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3028303.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 2100200021201 its reverse (1021200020012), we get a palindrome (3121400041213).

The spelling of 2100200021201 in words is "two trillion, one hundred billion, two hundred million, twenty-one thousand, two hundred one".