220231102121200 has 60 divisors (see below), whose sum is σ = 533959399308280. Its totient is φ = 87284253300480.

The previous prime is 220231102121167. The next prime is 220231102121209. The reversal of 220231102121200 is 2121201132022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220231102121209) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 2525542434 + ... + 2525629633.

Almost surely, 2^{220231102121200} is an apocalyptic number.

220231102121200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220231102121200 is an abundant number, since it is smaller than the sum of its proper divisors (313728297187080).

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

220231102121200 is a wasteful number, since it uses less digits than its factorization.

220231102121200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5051172194 (or 5051172183 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 220231102121200 its reverse (2121201132022), we get a palindrome (222352303253222).

The spelling of 220231102121200 in words is "two hundred twenty trillion, two hundred thirty-one billion, one hundred two million, one hundred twenty-one thousand, two hundred".