222221020120 has 64 divisors (see below), whose sum is σ = 550852215840. Its totient is φ = 80007552000.

The previous prime is 222221020079. The next prime is 222221020159. The reversal of 222221020120 is 21020122222.

222221020120 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 222221020094 and 222221020103.

It is a congruent number.

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, 2455797 + ... + 2544676.

Almost surely, 2^222221020120 is an apocalyptic number.

222221020120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222221020120 is an abundant number, since it is smaller than the sum of its proper divisors (328631195720).

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

222221020120 is a wasteful number, since it uses less digits than its factorization.

222221020120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5000596 (or 5000592 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 222221020120 its reverse (21020122222), we get a palindrome (243241142342).

The spelling of 222221020120 in words is "two hundred twenty-two billion, two hundred twenty-one million, twenty thousand, one hundred twenty".