20101200021201 has 64 divisors (see below), whose sum is σ = 29293875959040. Its totient is φ = 12186991365120.

The previous prime is 20101200021179. The next prime is 20101200021211. The reversal of 20101200021201 is 10212000210102.

It is not a de Polignac number, because 20101200021201 - 2¹⁷ = 20101199890129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20101200021211) 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, 626638575 + ... + 626670651.

It is an arithmetic number, because the mean of its divisors is an integer number (457716811860).

Almost surely, 2^{20101200021201} is an apocalyptic number.

It is an amenable number.

20101200021201 is a deficient number, since it is larger than the sum of its proper divisors (9192675937839).

20101200021201 is a wasteful number, since it uses less digits than its factorization.

20101200021201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33106.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20101200021201 its reverse (10212000210102), we get a palindrome (30313200231303).

The spelling of 20101200021201 in words is "twenty trillion, one hundred one billion, two hundred million, twenty-one thousand, two hundred one".