2021120200993 has 4 divisors (see below), whose sum is σ = 2021125378608. Its totient is φ = 2021115023380.

The previous prime is 2021120200991. The next prime is 2021120200997. The reversal of 2021120200993 is 3990020211202.

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 2021120200993 - 2¹ = 2021120200991 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2021120200991) 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, 1950871 + ... + 2801452.

It is an arithmetic number, because the mean of its divisors is an integer number (505281344652).

Almost surely, 2^{2021120200993} is an apocalyptic number.

It is an amenable number.

2021120200993 is a deficient number, since it is larger than the sum of its proper divisors (5177615).

2021120200993 is an equidigital number, since it uses as much as digits as its factorization.

2021120200993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5177614.

The product of its (nonzero) digits is 3888, while the sum is 31.

The spelling of 2021120200993 in words is "two trillion, twenty-one billion, one hundred twenty million, two hundred thousand, nine hundred ninety-three".