22012102200021 has 8 divisors (see below), whose sum is σ = 29762842411584. Its totient is φ = 14468048394240.

The previous prime is 22012102199963. The next prime is 22012102200029. The reversal of 22012102200021 is 12000220121022.

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

It is not a de Polignac number, because 22012102200021 - 2¹³ = 22012102191829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22012102200029) 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, 51671601196 + ... + 51671601621.

It is an arithmetic number, because the mean of its divisors is an integer number (3720355301448).

Almost surely, 2^{22012102200021} is an apocalyptic number.

It is an amenable number.

22012102200021 is a deficient number, since it is larger than the sum of its proper divisors (7750740211563).

22012102200021 is a wasteful number, since it uses less digits than its factorization.

22012102200021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103343202891.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 22012102200021 its reverse (12000220121022), we get a palindrome (34012322321043).

The spelling of 22012102200021 in words is "twenty-two trillion, twelve billion, one hundred two million, two hundred thousand, twenty-one".