222211112012 has 24 divisors (see below), whose sum is σ = 394375306752. Its totient is φ = 109532682000.

The previous prime is 222211112009. The next prime is 222211112033. The reversal of 222211112012 is 210211112222.

It is a super-2 number, since 2×222211112012² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6415613 + ... + 6450155.

It is an arithmetic number, because the mean of its divisors is an integer number (16432304448).

Almost surely, 2^222211112012 is an apocalyptic number.

It is an amenable number.

222211112012 is a deficient number, since it is larger than the sum of its proper divisors (172164194740).

222211112012 is a wasteful number, since it uses less digits than its factorization.

222211112012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57269 (or 57267 counting only the distinct ones).

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

Adding to 222211112012 its reverse (210211112222), we get a palindrome (432422224234).

The spelling of 222211112012 in words is "two hundred twenty-two billion, two hundred eleven million, one hundred twelve thousand, twelve".