22140210332491 has 2 divisors, whose sum is σ = 22140210332492. Its totient is φ = 22140210332490.

The previous prime is 22140210332477. The next prime is 22140210332563. The reversal of 22140210332491 is 19423301204122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22140210332491 - 2⁹ = 22140210331979 is a prime.

It is not a weakly prime, because it can be changed into another prime (22140210333491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11070105166245 + 11070105166246.

It is an arithmetic number, because the mean of its divisors is an integer number (11070105166246).

Almost surely, 2^{22140210332491} is an apocalyptic number.

22140210332491 is a deficient number, since it is larger than the sum of its proper divisors (1).

22140210332491 is an equidigital number, since it uses as much as digits as its factorization.

22140210332491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 34.

The spelling of 22140210332491 in words is "twenty-two trillion, one hundred forty billion, two hundred ten million, three hundred thirty-two thousand, four hundred ninety-one".