10222220999987 has 2 divisors, whose sum is σ = 10222220999988. Its totient is φ = 10222220999986.

The previous prime is 10222220999971. The next prime is 10222221000113. The reversal of 10222220999987 is 78999902222201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10222220999987 - 2⁴ = 10222220999971 is a prime.

It is not a weakly prime, because it can be changed into another prime (10222220999087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5111110499993 + 5111110499994.

It is an arithmetic number, because the mean of its divisors is an integer number (5111110499994).

Almost surely, 2^{10222220999987} is an apocalyptic number.

10222220999987 is a deficient number, since it is larger than the sum of its proper divisors (1).

10222220999987 is an equidigital number, since it uses as much as digits as its factorization.

10222220999987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11757312, while the sum is 62.

The spelling of 10222220999987 in words is "ten trillion, two hundred twenty-two billion, two hundred twenty million, nine hundred ninety-nine thousand, nine hundred eighty-seven".