22102112009987 has 2 divisors, whose sum is σ = 22102112009988. Its totient is φ = 22102112009986.

The previous prime is 22102112009953. The next prime is 22102112010037. The reversal of 22102112009987 is 78990021120122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22102112009987 - 2⁴² = 17704065498883 is a prime.

It is not a weakly prime, because it can be changed into another prime (22102112009387) 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, 11051056004993 + 11051056004994.

It is an arithmetic number, because the mean of its divisors is an integer number (11051056004994).

Almost surely, 2^{22102112009987} is an apocalyptic number.

22102112009987 is a deficient number, since it is larger than the sum of its proper divisors (1).

22102112009987 is an equidigital number, since it uses as much as digits as its factorization.

22102112009987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 44.

The spelling of 22102112009987 in words is "twenty-two trillion, one hundred two billion, one hundred twelve million, nine thousand, nine hundred eighty-seven".