222211111102120 has 64 divisors (see below), whose sum is σ = 581084745782400. Its totient is φ = 74895367223040.

The previous prime is 222211111102117. The next prime is 222211111102139. The reversal of 222211111102120 is 21201111112222.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6725501371 + ... + 6725534410.

It is an arithmetic number, because the mean of its divisors is an integer number (9079449152850).

Almost surely, 2^{222211111102120} is an apocalyptic number.

222211111102120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222211111102120 is an abundant number, since it is smaller than the sum of its proper divisors (358873634680280).

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

222211111102120 is a wasteful number, since it uses less digits than its factorization.

222211111102120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13451035858 (or 13451035854 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 222211111102120 its reverse (21201111112222), we get a palindrome (243412222214342).

The spelling of 222211111102120 in words is "two hundred twenty-two trillion, two hundred eleven billion, one hundred eleven million, one hundred two thousand, one hundred twenty".