22100020200021 has 8 divisors (see below), whose sum is σ = 29466890372160. Its totient is φ = 14733248413952.

The previous prime is 22100020199963. The next prime is 22100020200053. The reversal of 22100020200021 is 12000202000122.

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 22100020200021 - 2¹¹ = 22100020197973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22100020200091) 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, 24070785 + ... + 24972038.

It is an arithmetic number, because the mean of its divisors is an integer number (3683361296520).

Almost surely, 2^{22100020200021} is an apocalyptic number.

It is an amenable number.

22100020200021 is a deficient number, since it is larger than the sum of its proper divisors (7366870172139).

22100020200021 is a wasteful number, since it uses less digits than its factorization.

22100020200021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49193035.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 22100020200021 its reverse (12000202000122), we get a palindrome (34100222200143).

The spelling of 22100020200021 in words is "twenty-two trillion, one hundred billion, twenty million, two hundred thousand, twenty-one".