100231222000220 has 24 divisors (see below), whose sum is σ = 213021536881104. Its totient is φ = 39609446765696.

The previous prime is 100231222000213. The next prime is 100231222000271. The reversal of 100231222000220 is 22000222132001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30190125449 + ... + 30190128768.

It is an arithmetic number, because the mean of its divisors is an integer number (8875897370046).

Almost surely, 2^{100231222000220} is an apocalyptic number.

100231222000220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100231222000220 is an abundant number, since it is smaller than the sum of its proper divisors (112790314880884).

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

100231222000220 is a wasteful number, since it uses less digits than its factorization.

100231222000220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60380254309 (or 60380254307 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 100231222000220 its reverse (22000222132001), we get a palindrome (122231444132221).

The spelling of 100231222000220 in words is "one hundred trillion, two hundred thirty-one billion, two hundred twenty-two million, two hundred twenty", and thus it is an aban number.