2021112112201 has 16 divisors (see below), whose sum is σ = 2496012470784. Its totient is φ = 1593663897024.

The previous prime is 2021112112163. The next prime is 2021112112237. The reversal of 2021112112201 is 1022112111202.

It is a cyclic number.

It is not a de Polignac number, because 2021112112201 - 2¹³ = 2021112104009 is a prime.

It is a super-2 number, since 2×2021112112201² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2021112110201) 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, 37874401 + ... + 37927726.

It is an arithmetic number, because the mean of its divisors is an integer number (156000779424).

Almost surely, 2^{2021112112201} is an apocalyptic number.

It is an amenable number.

2021112112201 is a deficient number, since it is larger than the sum of its proper divisors (474900358583).

2021112112201 is a wasteful number, since it uses less digits than its factorization.

2021112112201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75802440.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2021112112201 its reverse (1022112111202), we get a palindrome (3043224223403).

Subtracting from 2021112112201 its reverse (1022112111202), we obtain a palindrome (999000000999).

The spelling of 2021112112201 in words is "two trillion, twenty-one billion, one hundred twelve million, one hundred twelve thousand, two hundred one".