22011001110021 has 64 divisors (see below), whose sum is σ = 36848517120000. Its totient is φ = 11353645195200.

The previous prime is 22011001109953. The next prime is 22011001110071. The reversal of 22011001110021 is 12001110011022.

It is not a de Polignac number, because 22011001110021 - 2⁹ = 22011001109509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22011001109979 and 22011001110006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22011001110071) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 22083180 + ... + 23058378.

It is an arithmetic number, because the mean of its divisors is an integer number (575758080000).

Almost surely, 2^{22011001110021} is an apocalyptic number.

22011001110021 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

22011001110021 is a deficient number, since it is larger than the sum of its proper divisors (14837516009979).

22011001110021 is a wasteful number, since it uses less digits than its factorization.

22011001110021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 975910.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 22011001110021 its reverse (12001110011022), we get a palindrome (34012111121043).

The spelling of 22011001110021 in words is "twenty-two trillion, eleven billion, one million, one hundred ten thousand, twenty-one".