222112100122 has 16 divisors (see below), whose sum is σ = 364007714400. Its totient is φ = 100806837040.

The previous prime is 222112100107. The next prime is 222112100137. The reversal of 222112100122 is 221001211222.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (222112100107) and next prime (222112100137).

It is a junction number, because it is equal to n+sod(n) for n = 222112100096 and 222112100105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7645597 + ... + 7674592.

It is an arithmetic number, because the mean of its divisors is an integer number (22750482150).

Almost surely, 2^222112100122 is an apocalyptic number.

222112100122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

222112100122 is a deficient number, since it is larger than the sum of its proper divisors (141895614278).

222112100122 is a wasteful number, since it uses less digits than its factorization.

222112100122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15320861.

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

Adding to 222112100122 its reverse (221001211222), we get a palindrome (443113311344).

Subtracting from 222112100122 its reverse (221001211222), we obtain a square (1110888900 = 33330²).

The spelling of 222112100122 in words is "two hundred twenty-two billion, one hundred twelve million, one hundred thousand, one hundred twenty-two".