22012191072863 has 4 divisors (see below), whose sum is σ = 22033792831560. Its totient is φ = 21990589314168.

The previous prime is 22012191072853. The next prime is 22012191072931. The reversal of 22012191072863 is 36827019121022.

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 22012191072863 - 2²⁴ = 22012174295647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22012191072853) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10800877820 + ... + 10800879857.

It is an arithmetic number, because the mean of its divisors is an integer number (5508448207890).

Almost surely, 2^{22012191072863} is an apocalyptic number.

22012191072863 is a deficient number, since it is larger than the sum of its proper divisors (21601758697).

22012191072863 is a wasteful number, since it uses less digits than its factorization.

22012191072863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21601758696.

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

The spelling of 22012191072863 in words is "twenty-two trillion, twelve billion, one hundred ninety-one million, seventy-two thousand, eight hundred sixty-three".