222111331072 has 36 divisors (see below), whose sum is σ = 469434757176. Its totient is φ = 104522977280.

The previous prime is 222111331009. The next prime is 222111331073. The reversal of 222111331072 is 270133111222.

It is a super-3 number, since 3×222111331072³ (a number of 35 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (222111331073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25513954 + ... + 25522657.

It is an arithmetic number, because the mean of its divisors is an integer number (13039854366).

Almost surely, 2^222111331072 is an apocalyptic number.

It is an amenable number.

222111331072 is an abundant number, since it is smaller than the sum of its proper divisors (247323426104).

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

222111331072 is an equidigital number, since it uses as much as digits as its factorization.

222111331072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51036644 (or 51036630 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 25.

Adding to 222111331072 its reverse (270133111222), we get a palindrome (492244442294).

The spelling of 222111331072 in words is "two hundred twenty-two billion, one hundred eleven million, three hundred thirty-one thousand, seventy-two".