22222121120111 has 8 divisors (see below), whose sum is σ = 24242348524800. Its totient is φ = 20201899478040.

The previous prime is 22222121120099. The next prime is 22222121120131. The reversal of 22222121120111 is 11102112122222.

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-22222121120111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22222121120131) 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, 12423050 + ... + 14098808.

It is an arithmetic number, because the mean of its divisors is an integer number (3030293565600).

Almost surely, 2^{22222121120111} is an apocalyptic number.

22222121120111 is a deficient number, since it is larger than the sum of its proper divisors (2020227404689).

22222121120111 is a wasteful number, since it uses less digits than its factorization.

22222121120111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2881309.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 22222121120111 its reverse (11102112122222), we get a palindrome (33324233242333).

The spelling of 22222121120111 in words is "twenty-two trillion, two hundred twenty-two billion, one hundred twenty-one million, one hundred twenty thousand, one hundred eleven".