222011113172 has 48 divisors (see below), whose sum is σ = 412785149952. Its totient is φ = 104294615040.

The previous prime is 222011113171. The next prime is 222011113201. The reversal of 222011113172 is 271311110222.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222011113171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2071988 + ... + 2176500.

It is an arithmetic number, because the mean of its divisors is an integer number (8599690624).

Almost surely, 2^222011113172 is an apocalyptic number.

It is an amenable number.

222011113172 is a deficient number, since it is larger than the sum of its proper divisors (190774036780).

222011113172 is a wasteful number, since it uses less digits than its factorization.

222011113172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105048 (or 105046 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 23.

Adding to 222011113172 its reverse (271311110222), we get a palindrome (493322223394).

The spelling of 222011113172 in words is "two hundred twenty-two billion, eleven million, one hundred thirteen thousand, one hundred seventy-two".