22111000221022 has 32 divisors (see below), whose sum is σ = 35083819929600. Its totient is φ = 10422167639328.

The previous prime is 22111000221001. The next prime is 22111000221071. The reversal of 22111000221022 is 22012200011122.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22111000220987 and 22111000221005.

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, 15166843 + ... + 16560649.

It is an arithmetic number, because the mean of its divisors is an integer number (1096369372800).

Almost surely, 2^{22111000221022} is an apocalyptic number.

22111000221022 is a deficient number, since it is larger than the sum of its proper divisors (12972819708578).

22111000221022 is a wasteful number, since it uses less digits than its factorization.

22111000221022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1395880.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22111000221022 its reverse (22012200011122), we get a palindrome (44123200232144).

The spelling of 22111000221022 in words is "twenty-two trillion, one hundred eleven billion, two hundred twenty-one thousand, twenty-two".