22220122112111 has 12 divisors (see below), whose sum is σ = 28197705983400. Its totient is φ = 17314380866160.

The previous prime is 22220122112099. The next prime is 22220122112143. The reversal of 22220122112111 is 11121122102222.

It is not a de Polignac number, because 22220122112111 - 2³⁴ = 22202942242927 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 (22220122102111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20612357636 + ... + 20612358713.

It is an arithmetic number, because the mean of its divisors is an integer number (2349808831950).

Almost surely, 2^{22220122112111} is an apocalyptic number.

22220122112111 is a deficient number, since it is larger than the sum of its proper divisors (5977583871289).

22220122112111 is a wasteful number, since it uses less digits than its factorization.

22220122112111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41224716374 (or 41224716367 counting only the distinct ones).

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

Adding to 22220122112111 its reverse (11121122102222), we get a palindrome (33341244214333).

The spelling of 22220122112111 in words is "twenty-two trillion, two hundred twenty billion, one hundred twenty-two million, one hundred twelve thousand, one hundred eleven".