222220122002120 has 64 divisors (see below), whose sum is σ = 545451536226240. Its totient is φ = 80806999187200.

The previous prime is 222220122002069. The next prime is 222220122002147. The reversal of 222220122002120 is 21200221022222.

222220122002120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 222220122002092 and 222220122002101.

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, 130831019 + ... + 132518661.

It is an arithmetic number, because the mean of its divisors is an integer number (8522680253535).

Almost surely, 2^{222220122002120} is an apocalyptic number.

222220122002120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222220122002120 is an abundant number, since it is smaller than the sum of its proper divisors (323231414224120).

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

222220122002120 is a wasteful number, since it uses less digits than its factorization.

222220122002120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1986926 (or 1986922 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 222220122002120 its reverse (21200221022222), we get a palindrome (243420343024342).

The spelling of 222220122002120 in words is "two hundred twenty-two trillion, two hundred twenty billion, one hundred twenty-two million, two thousand, one hundred twenty".