222220111110120 has 128 divisors (see below), whose sum is σ = 740752315200000. Its totient is φ = 59257207376640.

The previous prime is 222220111110113. The next prime is 222220111110167. The reversal of 222220111110120 is 21011111022222.

222220111110120 is a `hidden beast` number, since 2 + 222 + 201 + 11 + 110 + 120 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 222220111110093 and 222220111110102.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40755006 + ... + 45884754.

It is an arithmetic number, because the mean of its divisors is an integer number (5787127462500).

Almost surely, 2^{222220111110120} is an apocalyptic number.

222220111110120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222220111110120 is an abundant number, since it is smaller than the sum of its proper divisors (518532204089880).

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

222220111110120 is a wasteful number, since it uses less digits than its factorization.

222220111110120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5169880 (or 5169870 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 222220111110120 its reverse (21011111022222), we get a palindrome (243231222132342).

The spelling of 222220111110120 in words is "two hundred twenty-two trillion, two hundred twenty billion, one hundred eleven million, one hundred ten thousand, one hundred twenty".