22100211211987 has 2 divisors, whose sum is σ = 22100211211988. Its totient is φ = 22100211211986.

The previous prime is 22100211211931. The next prime is 22100211212017. The reversal of 22100211211987 is 78911211200122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22100211211987 - 2¹¹ = 22100211209939 is a prime.

It is a super-2 number, since 2×22100211211987² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22100211211487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11050105605993 + 11050105605994.

It is an arithmetic number, because the mean of its divisors is an integer number (11050105605994).

Almost surely, 2^{22100211211987} is an apocalyptic number.

22100211211987 is a deficient number, since it is larger than the sum of its proper divisors (1).

22100211211987 is an equidigital number, since it uses as much as digits as its factorization.

22100211211987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 37.

The spelling of 22100211211987 in words is "twenty-two trillion, one hundred billion, two hundred eleven million, two hundred eleven thousand, nine hundred eighty-seven".