22222200020111 has 8 divisors (see below), whose sum is σ = 27350400024864. Its totient is φ = 17582400015840.

The previous prime is 22222200020107. The next prime is 22222200020123. The reversal of 22222200020111 is 11102000222222.

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 22222200020111 - 2² = 22222200020107 is a prime.

It is a super-3 number, since 3×22222200020111³ (a number of 41 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22222200020111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22222200020101) 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, 122100000020 + ... + 122100000201.

It is an arithmetic number, because the mean of its divisors is an integer number (3418800003108).

Almost surely, 2^{22222200020111} is an apocalyptic number.

22222200020111 is a deficient number, since it is larger than the sum of its proper divisors (5128200004753).

22222200020111 is a wasteful number, since it uses less digits than its factorization.

22222200020111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244200000241.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22222200020111 its reverse (11102000222222), we get a palindrome (33324200242333).

The spelling of 22222200020111 in words is "twenty-two trillion, two hundred twenty-two billion, two hundred million, twenty thousand, one hundred eleven".