200221100121120 has 96 divisors (see below), whose sum is σ = 679211578124352. Its totient is φ = 49285193874432.

The previous prime is 200221100121103. The next prime is 200221100121173. The reversal of 200221100121120 is 21121001122002.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 200221100121120.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16043351142 + ... + 16043363621.

It is an arithmetic number, because the mean of its divisors is an integer number (7075120605462).

Almost surely, 2^{200221100121120} is an apocalyptic number.

200221100121120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200221100121120 is an abundant number, since it is smaller than the sum of its proper divisors (478990478003232).

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

200221100121120 is a wasteful number, since it uses less digits than its factorization.

200221100121120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32086714794 (or 32086714786 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 200221100121120 its reverse (21121001122002), we get a palindrome (221342101243122).

The spelling of 200221100121120 in words is "two hundred trillion, two hundred twenty-one billion, one hundred million, one hundred twenty-one thousand, one hundred twenty".