22202211211111 has 8 divisors (see below), whose sum is σ = 23859092646000. Its totient is φ = 20584315221888.

The previous prime is 22202211211093. The next prime is 22202211211139. The reversal of 22202211211111 is 11111211220222.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22202211211111 - 2⁵ = 22202211211079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22202211211511) 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, 9746360236 + ... + 9746362513.

It is an arithmetic number, because the mean of its divisors is an integer number (2982386580750).

Almost surely, 2^{22202211211111} is an apocalyptic number.

22202211211111 is a deficient number, since it is larger than the sum of its proper divisors (1656881434889).

22202211211111 is a wasteful number, since it uses less digits than its factorization.

22202211211111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19492722833.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 22202211211111 its reverse (11111211220222), we get a palindrome (33313422431333).

The spelling of 22202211211111 in words is "twenty-two trillion, two hundred two billion, two hundred eleven million, two hundred eleven thousand, one hundred eleven".