222120122110002 has 48 divisors (see below), whose sum is σ = 486206108623872. Its totient is φ = 73279687293600.

The previous prime is 222120122109997. The next prime is 222120122110021. The reversal of 222120122110002 is 200011221021222.

It is a happy number.

222120122110002 is a `hidden beast` number, since 222 + 120 + 1 + 221 + 100 + 0 + 2 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17850108 + ... + 27620039.

It is an arithmetic number, because the mean of its divisors is an integer number (10129293929664).

Almost surely, 2^{222120122110002} is an apocalyptic number.

222120122110002 is an abundant number, since it is smaller than the sum of its proper divisors (264085986513870).

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

222120122110002 is a wasteful number, since it uses less digits than its factorization.

222120122110002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45472943 (or 45472940 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 222120122110002 its reverse (200011221021222), we get a palindrome (422131343131224).

The spelling of 222120122110002 in words is "two hundred twenty-two trillion, one hundred twenty billion, one hundred twenty-two million, one hundred ten thousand, two".