2122466431021 has 2 divisors, whose sum is σ = 2122466431022. Its totient is φ = 2122466431020.

The previous prime is 2122466430907. The next prime is 2122466431031. The reversal of 2122466431021 is 1201346642212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1530973155625 + 591493275396 = 1237325^2 + 769086^2 .

It is a cyclic number.

It is not a de Polignac number, because 2122466431021 - 2¹⁹ = 2122465906733 is a prime.

It is a super-2 number, since 2×2122466431021² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2122466431031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061233215510 + 1061233215511.

It is an arithmetic number, because the mean of its divisors is an integer number (1061233215511).

Almost surely, 2^{2122466431021} is an apocalyptic number.

It is an amenable number.

2122466431021 is a deficient number, since it is larger than the sum of its proper divisors (1).

2122466431021 is an equidigital number, since it uses as much as digits as its factorization.

2122466431021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 34.

The spelling of 2122466431021 in words is "two trillion, one hundred twenty-two billion, four hundred sixty-six million, four hundred thirty-one thousand, twenty-one".