22021202009987 has 2 divisors, whose sum is σ = 22021202009988. Its totient is φ = 22021202009986.

The previous prime is 22021202009977. The next prime is 22021202009993. The reversal of 22021202009987 is 78990020212022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22021202009987 - 2¹⁴ = 22021201993603 is a prime.

It is not a weakly prime, because it can be changed into another prime (22021202009977) 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, 11010601004993 + 11010601004994.

It is an arithmetic number, because the mean of its divisors is an integer number (11010601004994).

Almost surely, 2^{22021202009987} is an apocalyptic number.

22021202009987 is a deficient number, since it is larger than the sum of its proper divisors (1).

22021202009987 is an equidigital number, since it uses as much as digits as its factorization.

22021202009987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152, while the sum is 44.

The spelling of 22021202009987 in words is "twenty-two trillion, twenty-one billion, two hundred two million, nine thousand, nine hundred eighty-seven".