22012100111222 has 32 divisors (see below), whose sum is σ = 35931474440064. Its totient is φ = 10052766259200.

The previous prime is 22012100111203. The next prime is 22012100111249. The reversal of 22012100111222 is 22211100121022.

It is a self number, because there is not a number n which added to its sum of digits gives 22012100111222.

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, 12358322 + ... + 14026842.

It is an arithmetic number, because the mean of its divisors is an integer number (1122858576252).

Almost surely, 2^{22012100111222} is an apocalyptic number.

22012100111222 is a deficient number, since it is larger than the sum of its proper divisors (13919374328842).

22012100111222 is a wasteful number, since it uses less digits than its factorization.

22012100111222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1673864.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 22012100111222 its reverse (22211100121022), we get a palindrome (44223200232244).

The spelling of 22012100111222 in words is "twenty-two trillion, twelve billion, one hundred million, one hundred eleven thousand, two hundred twenty-two".