2021112101201 has 4 divisors (see below), whose sum is σ = 2023202187072. Its totient is φ = 2019022015332.

The previous prime is 2021112101189. The next prime is 2021112101243. The reversal of 2021112101201 is 1021012111202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2021112101201 is a prime.

It is a super-2 number, since 2×2021112101201² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1045041485 + ... + 1045043418.

It is an arithmetic number, because the mean of its divisors is an integer number (505800546768).

Almost surely, 2^{2021112101201} is an apocalyptic number.

It is an amenable number.

2021112101201 is a deficient number, since it is larger than the sum of its proper divisors (2090085871).

2021112101201 is an equidigital number, since it uses as much as digits as its factorization.

2021112101201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2090085870.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 2021112101201 its reverse (1021012111202), we get a palindrome (3042124212403).

The spelling of 2021112101201 in words is "two trillion, twenty-one billion, one hundred twelve million, one hundred one thousand, two hundred one".