22011000111021 has 32 divisors (see below), whose sum is σ = 32789742554880. Its totient is φ = 13061922013184.

The previous prime is 22011000110971. The next prime is 22011000111073. The reversal of 22011000111021 is 12011100011022.

It is a cyclic number.

It is not a de Polignac number, because 22011000111021 - 2⁹ = 22011000110509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22011000110988 and 22011000111006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22011000119021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 105315300 + ... + 105524093.

It is an arithmetic number, because the mean of its divisors is an integer number (1024679454840).

Almost surely, 2^{22011000111021} is an apocalyptic number.

It is an amenable number.

22011000111021 is a deficient number, since it is larger than the sum of its proper divisors (10778742443859).

22011000111021 is a wasteful number, since it uses less digits than its factorization.

22011000111021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210839525.

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

Adding to 22011000111021 its reverse (12011100011022), we get a palindrome (34022100122043).

Subtracting from 22011000111021 its reverse (12011100011022), we obtain a palindrome (9999900099999).

It can be divided in two parts, 220110001 and 11021, that added together give a palindrome (220121022).

The spelling of 22011000111021 in words is "twenty-two trillion, eleven billion, one hundred eleven thousand, twenty-one".