2222120311021 has 16 divisors (see below), whose sum is σ = 2452775270400. Its totient is φ = 2000544654528.

The previous prime is 2222120311009. The next prime is 2222120311031. The reversal of 2222120311021 is 1201130212222.

It is a cyclic number.

It is not a de Polignac number, because 2222120311021 - 2¹⁵ = 2222120278253 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2222120311021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222120311031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11308726 + ... + 11503543.

It is an arithmetic number, because the mean of its divisors is an integer number (153298454400).

Almost surely, 2^{2222120311021} is an apocalyptic number.

It is an amenable number.

2222120311021 is a deficient number, since it is larger than the sum of its proper divisors (230654959379).

2222120311021 is a wasteful number, since it uses less digits than its factorization.

2222120311021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22812468.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 2222120311021 its reverse (1201130212222), we get a palindrome (3423250523243).

The spelling of 2222120311021 in words is "two trillion, two hundred twenty-two billion, one hundred twenty million, three hundred eleven thousand, twenty-one".