2210021988431 has 2 divisors, whose sum is σ = 2210021988432. Its totient is φ = 2210021988430.

The previous prime is 2210021988409. The next prime is 2210021988439. The reversal of 2210021988431 is 1348891200122.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2210021988431 is a prime.

It is a super-2 number, since 2×2210021988431² (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 (2210021988439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1105010994215 + 1105010994216.

It is an arithmetic number, because the mean of its divisors is an integer number (1105010994216).

Almost surely, 2^{2210021988431} is an apocalyptic number.

2210021988431 is a deficient number, since it is larger than the sum of its proper divisors (1).

2210021988431 is an equidigital number, since it uses as much as digits as its factorization.

2210021988431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 55296, while the sum is 41.

The spelling of 2210021988431 in words is "two trillion, two hundred ten billion, twenty-one million, nine hundred eighty-eight thousand, four hundred thirty-one".