22112020001987 has 2 divisors, whose sum is σ = 22112020001988. Its totient is φ = 22112020001986.

The previous prime is 22112020001971. The next prime is 22112020001989. The reversal of 22112020001987 is 78910002021122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22112020001987 - 2⁴ = 22112020001971 is a prime.

Together with 22112020001989, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22112020001989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11056010000993 + 11056010000994.

It is an arithmetic number, because the mean of its divisors is an integer number (11056010000994).

Almost surely, 2^{22112020001987} is an apocalyptic number.

22112020001987 is a deficient number, since it is larger than the sum of its proper divisors (1).

22112020001987 is an equidigital number, since it uses as much as digits as its factorization.

22112020001987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 35.

The spelling of 22112020001987 in words is "twenty-two trillion, one hundred twelve billion, twenty million, one thousand, nine hundred eighty-seven".