222111011120 has 80 divisors (see below), whose sum is σ = 520589439072. Its totient is φ = 88127170560.

The previous prime is 222111011069. The next prime is 222111011141. The reversal of 222111011120 is 21110111222.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 222111011095 and 222111011104.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6777494 + ... + 6810186.

Almost surely, 2^222111011120 is an apocalyptic number.

222111011120 is a gapful number since it is divisible by the number (20) 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 222111011120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (260294719536).

222111011120 is an abundant number, since it is smaller than the sum of its proper divisors (298478427952).

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

222111011120 is a wasteful number, since it uses less digits than its factorization.

222111011120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33390 (or 33384 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 222111011120 its reverse (21110111222), we get a palindrome (243221122342).

It can be divided in two parts, 2 and 22111011120, that added together give a palindrome (22111011122).

The spelling of 222111011120 in words is "two hundred twenty-two billion, one hundred eleven million, eleven thousand, one hundred twenty".