222222001202120 has 32 divisors (see below), whose sum is σ = 500004515545920. Its totient is φ = 88887909309120.

The previous prime is 222222001202081. The next prime is 222222001202143. The reversal of 222222001202120 is 21202100222222.

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 = 222222001202092 and 222222001202101.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23802236 + ... + 31796075.

It is an arithmetic number, because the mean of its divisors is an integer number (15625141110810).

Almost surely, 2^{222222001202120} is an apocalyptic number.

222222001202120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222222001202120 is an abundant number, since it is smaller than the sum of its proper divisors (277782514343800).

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

222222001202120 is a wasteful number, since it uses less digits than its factorization.

222222001202120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55698245 (or 55698241 counting only the distinct ones).

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

Adding to 222222001202120 its reverse (21202100222222), we get a palindrome (243424101424342).

The spelling of 222222001202120 in words is "two hundred twenty-two trillion, two hundred twenty-two billion, one million, two hundred two thousand, one hundred twenty".