22012010999957 has 4 divisors (see below), whose sum is σ = 24013102909056. Its totient is φ = 20010919090860.

The previous prime is 22012010999917. The next prime is 22012010999959. The reversal of 22012010999957 is 75999901021022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22012010999957 - 2²⁸ = 22011742564501 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 (22012010999959) 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, 1000545954533 + ... + 1000545954554.

It is an arithmetic number, because the mean of its divisors is an integer number (6003275727264).

Almost surely, 2^{22012010999957} is an apocalyptic number.

It is an amenable number.

22012010999957 is a deficient number, since it is larger than the sum of its proper divisors (2001091909099).

22012010999957 is a wasteful number, since it uses less digits than its factorization.

22012010999957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2001091909098.

The product of its (nonzero) digits is 1837080, while the sum is 56.

The spelling of 22012010999957 in words is "twenty-two trillion, twelve billion, ten million, nine hundred ninety-nine thousand, nine hundred fifty-seven".