22120999759867 has 2 divisors, whose sum is σ = 22120999759868. Its totient is φ = 22120999759866.

The previous prime is 22120999759853. The next prime is 22120999760047. The reversal of 22120999759867 is 76895799902122.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22120999759867 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22120999759793 and 22120999759802.

It is not a weakly prime, because it can be changed into another prime (22120999759667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11060499879933 + 11060499879934.

It is an arithmetic number, because the mean of its divisors is an integer number (11060499879934).

Almost surely, 2^{22120999759867} is an apocalyptic number.

22120999759867 is a deficient number, since it is larger than the sum of its proper divisors (1).

22120999759867 is an equidigital number, since it uses as much as digits as its factorization.

22120999759867 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 617258880, while the sum is 76.

The spelling of 22120999759867 in words is "twenty-two trillion, one hundred twenty billion, nine hundred ninety-nine million, seven hundred fifty-nine thousand, eight hundred sixty-seven".