22100201221111 has 4 divisors (see below), whose sum is σ = 23800216699672. Its totient is φ = 20400185742552.

The previous prime is 22100201221093. The next prime is 22100201221121. The reversal of 22100201221111 is 11112210200122.

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 22100201221111 - 2²⁹ = 22099664350199 is a prime.

It is a super-2 number, since 2×22100201221111² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22100201221121) 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, 850007739261 + ... + 850007739286.

It is an arithmetic number, because the mean of its divisors is an integer number (5950054174918).

Almost surely, 2^{22100201221111} is an apocalyptic number.

22100201221111 is a deficient number, since it is larger than the sum of its proper divisors (1700015478561).

22100201221111 is a wasteful number, since it uses less digits than its factorization.

22100201221111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1700015478560.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 22100201221111 its reverse (11112210200122), we get a palindrome (33212411421233).

The spelling of 22100201221111 in words is "twenty-two trillion, one hundred billion, two hundred one million, two hundred twenty-one thousand, one hundred eleven".