220121101110200 has 24 divisors (see below), whose sum is σ = 511781560081680. Its totient is φ = 88048440444000.

The previous prime is 220121101110179. The next prime is 220121101110247. The reversal of 220121101110200 is 2011101121022.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 550302752576 + ... + 550302752975.

It is an arithmetic number, because the mean of its divisors is an integer number (21324231670070).

Almost surely, 2^{220121101110200} is an apocalyptic number.

220121101110200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220121101110200 is an abundant number, since it is smaller than the sum of its proper divisors (291660458971480).

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

220121101110200 is a wasteful number, since it uses less digits than its factorization.

220121101110200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1100605505567 (or 1100605505558 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 220121101110200 its reverse (2011101121022), we get a palindrome (222132202231222).

The spelling of 220121101110200 in words is "two hundred twenty trillion, one hundred twenty-one billion, one hundred one million, one hundred ten thousand, two hundred".