222111302312 has 16 divisors (see below), whose sum is σ = 434565591840. Its totient is φ = 106227144496.

The previous prime is 222111302299. The next prime is 222111302341. The reversal of 222111302312 is 213203111222.

It is a super-2 number, since 2×222111302312² (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 3 ways as a sum of consecutive naturals, for example, 603563138 + ... + 603563505.

It is an arithmetic number, because the mean of its divisors is an integer number (27160349490).

Almost surely, 2^222111302312 is an apocalyptic number.

It is an amenable number.

222111302312 is a deficient number, since it is larger than the sum of its proper divisors (212454289528).

222111302312 is a wasteful number, since it uses less digits than its factorization.

222111302312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1207126672 (or 1207126668 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 222111302312 its reverse (213203111222), we get a palindrome (435314413534).

The spelling of 222111302312 in words is "two hundred twenty-two billion, one hundred eleven million, three hundred two thousand, three hundred twelve".