222120120222000 has 2160 divisors, whose sum is σ = 1066055872209120. Its totient is φ = 42604144128000.

The previous prime is 222120120221969. The next prime is 222120120222017. The reversal of 222120120222000 is 222021021222.

222120120222000 is a `hidden beast` number, since 2 + 221 + 20 + 1 + 202 + 220 + 0 + 0 = 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 pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 431 ways as a sum of consecutive naturals, for example, 1639570266 + ... + 1639705734.

It is an arithmetic number, because the mean of its divisors is an integer number (493544385282).

Almost surely, 2^{222120120222000} is an apocalyptic number.

222120120222000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222120120222000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (533027936104560).

222120120222000 is an abundant number, since it is smaller than the sum of its proper divisors (843935751987120).

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

222120120222000 is a wasteful number, since it uses less digits than its factorization.

222120120222000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135549 (or 135510 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 222120120222000 its reverse (222021021222), we get a palindrome (222342141243222).

The spelling of 222120120222000 in words is "two hundred twenty-two trillion, one hundred twenty billion, one hundred twenty million, two hundred twenty-two thousand".