22110100200021 has 8 divisors (see below), whose sum is σ = 31214259105984. Its totient is φ = 13873004047040.

The previous prime is 22110100199983. The next prime is 22110100200079. The reversal of 22110100200021 is 12000200101122.

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

It is a cyclic number.

It is not a de Polignac number, because 22110100200021 - 2²² = 22110096005717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22110100200421) 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, 216765688185 + ... + 216765688286.

It is an arithmetic number, because the mean of its divisors is an integer number (3901782388248).

Almost surely, 2^{22110100200021} is an apocalyptic number.

It is an amenable number.

22110100200021 is a deficient number, since it is larger than the sum of its proper divisors (9104158905963).

22110100200021 is a wasteful number, since it uses less digits than its factorization.

22110100200021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433531376491.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 22110100200021 its reverse (12000200101122), we get a palindrome (34110300301143).

The spelling of 22110100200021 in words is "twenty-two trillion, one hundred ten billion, one hundred million, two hundred thousand, twenty-one".