2222031211021 has 2 divisors, whose sum is σ = 2222031211022. Its totient is φ = 2222031211020.

The previous prime is 2222031211007. The next prime is 2222031211031. The reversal of 2222031211021 is 1201121302222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2194279316100 + 27751894921 = 1481310^2 + 166589^2 .

It is a cyclic number.

It is not a de Polignac number, because 2222031211021 - 2⁵ = 2222031210989 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2222031211021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2222031211031) 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 as a sum of consecutive naturals, namely, 1111015605510 + 1111015605511.

It is an arithmetic number, because the mean of its divisors is an integer number (1111015605511).

Almost surely, 2^{2222031211021} is an apocalyptic number.

It is an amenable number.

2222031211021 is a deficient number, since it is larger than the sum of its proper divisors (1).

2222031211021 is an equidigital number, since it uses as much as digits as its factorization.

2222031211021 is an odious number, because the sum of its binary digits is odd.

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

Adding to 2222031211021 its reverse (1201121302222), we get a palindrome (3423152513243).

The spelling of 2222031211021 in words is "two trillion, two hundred twenty-two billion, thirty-one million, two hundred eleven thousand, twenty-one".