220102200121000 has 128 divisors (see below), whose sum is σ = 521578523980800. Its totient is φ = 86923123123200.

The previous prime is 220102200120997. The next prime is 220102200121039. The reversal of 220102200121000 is 121002201022.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3717473397 + ... + 3717532603.

It is an arithmetic number, because the mean of its divisors is an integer number (4074832218600).

Almost surely, 2^{220102200121000} is an apocalyptic number.

220102200121000 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 220102200121000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (260789261990400).

220102200121000 is an abundant number, since it is smaller than the sum of its proper divisors (301476323859800).

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

220102200121000 is a wasteful number, since it uses less digits than its factorization.

220102200121000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106364 (or 106350 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 220102200121000 its reverse (121002201022), we get a palindrome (220223202322022).

The spelling of 220102200121000 in words is "two hundred twenty trillion, one hundred two billion, two hundred million, one hundred twenty-one thousand".