22110221121011 has 4 divisors (see below), whose sum is σ = 22111290249624. Its totient is φ = 22109151992400.

The previous prime is 22110221120993. The next prime is 22110221121019. The reversal of 22110221121011 is 11012112201122.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22110221121011 - 2⁴² = 17712174609907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22110221121019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 534533285 + ... + 534574646.

It is an arithmetic number, because the mean of its divisors is an integer number (5527822562406).

Almost surely, 2^{22110221121011} is an apocalyptic number.

22110221121011 is a deficient number, since it is larger than the sum of its proper divisors (1069128613).

22110221121011 is a wasteful number, since it uses less digits than its factorization.

22110221121011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1069128612.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 22110221121011 its reverse (11012112201122), we get a palindrome (33122333322133).

The spelling of 22110221121011 in words is "twenty-two trillion, one hundred ten billion, two hundred twenty-one million, one hundred twenty-one thousand, eleven".