2122222130021 has 16 divisors (see below), whose sum is σ = 2509988999040. Its totient is φ = 1755651226560.

The previous prime is 2122222130009. The next prime is 2122222130023. The reversal of 2122222130021 is 1200312222212.

It is not a de Polignac number, because 2122222130021 - 2¹⁰ = 2122222128997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2122222129975 and 2122222130002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122222130023) 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, 1462271 + ... + 2526396.

It is an arithmetic number, because the mean of its divisors is an integer number (156874312440).

Almost surely, 2^{2122222130021} is an apocalyptic number.

It is an amenable number.

2122222130021 is a deficient number, since it is larger than the sum of its proper divisors (387766869019).

2122222130021 is a wasteful number, since it uses less digits than its factorization.

2122222130021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3991324.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 2122222130021 its reverse (1200312222212), we get a palindrome (3322534352233).

The spelling of 2122222130021 in words is "two trillion, one hundred twenty-two billion, two hundred twenty-two million, one hundred thirty thousand, twenty-one".