22100010220987 has 4 divisors (see below), whose sum is σ = 22314573427120. Its totient is φ = 21885447014856.

The previous prime is 22100010220877. The next prime is 22100010221057. The reversal of 22100010220987 is 78902201000122.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22100010220987 - 2²⁷ = 22099876003259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22100010290987) 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 in 3 ways as a sum of consecutive naturals, for example, 107281602912 + ... + 107281603117.

It is an arithmetic number, because the mean of its divisors is an integer number (5578643356780).

Almost surely, 2^{22100010220987} is an apocalyptic number.

22100010220987 is a deficient number, since it is larger than the sum of its proper divisors (214563206133).

22100010220987 is a wasteful number, since it uses less digits than its factorization.

22100010220987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214563206132.

The product of its (nonzero) digits is 8064, while the sum is 34.

The spelling of 22100010220987 in words is "twenty-two trillion, one hundred billion, ten million, two hundred twenty thousand, nine hundred eighty-seven".