202100212012101 has 32 divisors (see below), whose sum is σ = 295115910136320. Its totient is φ = 122260506300864.

The previous prime is 202100212012093. The next prime is 202100212012183. The reversal of 202100212012101 is 101210212001202.

It is not a de Polignac number, because 202100212012101 - 2³ = 202100212012093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202100211012101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 446911230 + ... + 447363216.

It is an arithmetic number, because the mean of its divisors is an integer number (9222372191760).

Almost surely, 2^{202100212012101} is an apocalyptic number.

It is an amenable number.

202100212012101 is a deficient number, since it is larger than the sum of its proper divisors (93015698124219).

202100212012101 is a wasteful number, since it uses less digits than its factorization.

202100212012101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646385.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 202100212012101 its reverse (101210212001202), we get a palindrome (303310424013303).

The spelling of 202100212012101 in words is "two hundred two trillion, one hundred billion, two hundred twelve million, twelve thousand, one hundred one".