2122020220201 has 4 divisors (see below), whose sum is σ = 2425165965952. Its totient is φ = 1818874474452.

The previous prime is 2122020220171. The next prime is 2122020220211. The reversal of 2122020220201 is 1020220202212.

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 not a de Polignac number, because 2122020220201 - 2¹⁵ = 2122020187433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2122020220211) 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, 151572872865 + ... + 151572872878.

It is an arithmetic number, because the mean of its divisors is an integer number (606291491488).

Almost surely, 2^{2122020220201} is an apocalyptic number.

It is an amenable number.

2122020220201 is a deficient number, since it is larger than the sum of its proper divisors (303145745751).

2122020220201 is an equidigital number, since it uses as much as digits as its factorization.

2122020220201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303145745750.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 2122020220201 its reverse (1020220202212), we get a palindrome (3142240422413).

The spelling of 2122020220201 in words is "two trillion, one hundred twenty-two billion, twenty million, two hundred twenty thousand, two hundred one".