22500512011 has 4 divisors (see below), whose sum is σ = 22601411392. Its totient is φ = 22399612632.

The previous prime is 22500511997. The next prime is 22500512087. The reversal of 22500512011 is 11021500522.

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 22500512011 - 2⁷ = 22500511883 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22500512011.

It is not an unprimeable number, because it can be changed into a prime (22500516011) 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, 50449356 + ... + 50449801.

It is an arithmetic number, because the mean of its divisors is an integer number (5650352848).

Almost surely, 2^22500512011 is an apocalyptic number.

22500512011 is a deficient number, since it is larger than the sum of its proper divisors (100899381).

22500512011 is a wasteful number, since it uses less digits than its factorization.

22500512011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100899380.

The product of its (nonzero) digits is 200, while the sum is 19.

It can be divided in two parts, 225005 and 12011, that added together give a triangular number (237016 = T₆₈₈).

The spelling of 22500512011 in words is "twenty-two billion, five hundred million, five hundred twelve thousand, eleven".