222212102112 has 768 divisors, whose sum is σ = 908117360640. Its totient is φ = 50956646400.

The previous prime is 222212102111. The next prime is 222212102131. The reversal of 222212102112 is 211201212222.

It is a happy number.

222212102112 is a `hidden beast` number, since 22 + 221 + 210 + 211 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222212102111) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 19886287 + ... + 19897457.

It is an arithmetic number, because the mean of its divisors is an integer number (1182444480).

Almost surely, 2^222212102112 is an apocalyptic number.

222212102112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222212102112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (454058680320).

222212102112 is an abundant number, since it is smaller than the sum of its proper divisors (685905258528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222212102112 is a wasteful number, since it uses less digits than its factorization.

222212102112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11244 (or 11230 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 222212102112 its reverse (211201212222), we get a palindrome (433413314334).

The spelling of 222212102112 in words is "two hundred twenty-two billion, two hundred twelve million, one hundred two thousand, one hundred twelve".