22111121011222 has 32 divisors (see below), whose sum is σ = 33264266112000. Its totient is φ = 11023096852800.

The previous prime is 22111121011201. The next prime is 22111121011249. The reversal of 22111121011222 is 22211012111122.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 22111121011222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2571355279 + ... + 2571363877.

It is an arithmetic number, because the mean of its divisors is an integer number (1039508316000).

Almost surely, 2^{22111121011222} is an apocalyptic number.

22111121011222 is a deficient number, since it is larger than the sum of its proper divisors (11153145100778).

22111121011222 is a wasteful number, since it uses less digits than its factorization.

22111121011222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11932.

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

Adding to 22111121011222 its reverse (22211012111122), we get a palindrome (44322133122344).

The spelling of 22111121011222 in words is "twenty-two trillion, one hundred eleven billion, one hundred twenty-one million, eleven thousand, two hundred twenty-two".