222120200122000 has 80 divisors (see below), whose sum is σ = 537108402330864. Its totient is φ = 88844480640000.

The previous prime is 222120200121929. The next prime is 222120200122027. The reversal of 222120200122000 is 221002021222.

It can be written as a sum of positive squares in 8 ways, for example, as 61798716998656 + 160321483123344 = 7861216^2 + 12661812^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47404780 + ... + 51879220.

Almost surely, 2^{222120200122000} is an apocalyptic number.

222120200122000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222120200122000 is an abundant number, since it is smaller than the sum of its proper divisors (314988202208864).

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

222120200122000 is a wasteful number, since it uses less digits than its factorization.

222120200122000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4499285 (or 4499269 counting only the distinct ones).

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

Adding to 222120200122000 its reverse (221002021222), we get a palindrome (222341202143222).

The spelling of 222120200122000 in words is "two hundred twenty-two trillion, one hundred twenty billion, two hundred million, one hundred twenty-two thousand".