2021213303101 has 4 divisors (see below), whose sum is σ = 2021261442912. Its totient is φ = 2021165163292.

The previous prime is 2021213303063. The next prime is 2021213303167. The reversal of 2021213303101 is 1013033121202.

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 not a de Polignac number, because 2021213303101 - 2²⁵ = 2021179748669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021213303191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24006871 + ... + 24090916.

It is an arithmetic number, because the mean of its divisors is an integer number (505315360728).

Almost surely, 2^{2021213303101} is an apocalyptic number.

It is an amenable number.

2021213303101 is a deficient number, since it is larger than the sum of its proper divisors (48139811).

2021213303101 is an equidigital number, since it uses as much as digits as its factorization.

2021213303101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48139810.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 2021213303101 its reverse (1013033121202), we get a palindrome (3034246424303).

The spelling of 2021213303101 in words is "two trillion, twenty-one billion, two hundred thirteen million, three hundred three thousand, one hundred one".