2021210112201 has 16 divisors (see below), whose sum is σ = 3081672499584. Its totient is φ = 1154327226624.

The previous prime is 2021210112161. The next prime is 2021210112221. The reversal of 2021210112201 is 1022110121202.

It is not a de Polignac number, because 2021210112201 - 2²⁷ = 2021075894473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2021210112221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27044310 + ... + 27118943.

It is an arithmetic number, because the mean of its divisors is an integer number (192604531224).

Almost surely, 2^{2021210112201} is an apocalyptic number.

2021210112201 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2021210112201 is a deficient number, since it is larger than the sum of its proper divisors (1060462387383).

2021210112201 is a wasteful number, since it uses less digits than its factorization.

2021210112201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54165040.

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

Adding to 2021210112201 its reverse (1022110121202), we get a palindrome (3043320233403).

Subtracting from 2021210112201 its reverse (1022110121202), we obtain a palindrome (999099990999).

The spelling of 2021210112201 in words is "two trillion, twenty-one billion, two hundred ten million, one hundred twelve thousand, two hundred one".