22212002009987 has 2 divisors, whose sum is σ = 22212002009988. Its totient is φ = 22212002009986.

The previous prime is 22212002009933. The next prime is 22212002010017. The reversal of 22212002009987 is 78990020021222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22212002009987 - 2¹² = 22212002005891 is a prime.

It is not a weakly prime, because it can be changed into another prime (22212002009927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11106001004993 + 11106001004994.

It is an arithmetic number, because the mean of its divisors is an integer number (11106001004994).

Almost surely, 2^{22212002009987} is an apocalyptic number.

22212002009987 is a deficient number, since it is larger than the sum of its proper divisors (1).

22212002009987 is an equidigital number, since it uses as much as digits as its factorization.

22212002009987 is an evil number, because the sum of its binary digits is even.

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

The spelling of 22212002009987 in words is "twenty-two trillion, two hundred twelve billion, two million, nine thousand, nine hundred eighty-seven".