22011003100021 has 8 divisors (see below), whose sum is σ = 23823273555200. Its totient is φ = 20215749269232.

The previous prime is 22011003100001. The next prime is 22011003100061. The reversal of 22011003100021 is 12000130011022.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22011003100021 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22011003099974 and 22011003100010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22011003100001) 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, 4254153405 + ... + 4254158578.

It is an arithmetic number, because the mean of its divisors is an integer number (2977909194400).

Almost surely, 2^{22011003100021} is an apocalyptic number.

It is an amenable number.

22011003100021 is a deficient number, since it is larger than the sum of its proper divisors (1812270455179).

22011003100021 is a wasteful number, since it uses less digits than its factorization.

22011003100021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8508312195.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 22011003100021 its reverse (12000130011022), we get a palindrome (34011133111043).

The spelling of 22011003100021 in words is "twenty-two trillion, eleven billion, three million, one hundred thousand, twenty-one".