22010211987 has 8 divisors (see below), whose sum is σ = 29393460480. Its totient is φ = 14650219080.

The previous prime is 22010211959. The next prime is 22010212013. The reversal of 22010211987 is 78911201022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22010211987 - 2⁸ = 22010211731 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22010211787) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5811687 + ... + 5815472.

It is an arithmetic number, because the mean of its divisors is an integer number (3674182560).

Almost surely, 2^22010211987 is an apocalyptic number.

22010211987 is a deficient number, since it is larger than the sum of its proper divisors (7383248493).

22010211987 is a wasteful number, since it uses less digits than its factorization.

22010211987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11627793.

The product of its (nonzero) digits is 4032, while the sum is 33.

The spelling of 22010211987 in words is "twenty-two billion, ten million, two hundred eleven thousand, nine hundred eighty-seven".