101223312110220 has 96 divisors (see below), whose sum is σ = 285735941487360. Its totient is φ = 26773189228800.

The previous prime is 101223312110209. The next prime is 101223312110233. The reversal of 101223312110220 is 22011213322101.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2991274 + ... + 14539406.

It is an arithmetic number, because the mean of its divisors is an integer number (2976416057160).

Almost surely, 2^{101223312110220} is an apocalyptic number.

101223312110220 is a gapful number since it is divisible by the number (10) 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 101223312110220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142867970743680).

101223312110220 is an abundant number, since it is smaller than the sum of its proper divisors (184512629377140).

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

101223312110220 is a wasteful number, since it uses less digits than its factorization.

101223312110220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11549335 (or 11549333 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 101223312110220 its reverse (22011213322101), we get a palindrome (123234525432321).

The spelling of 101223312110220 in words is "one hundred one trillion, two hundred twenty-three billion, three hundred twelve million, one hundred ten thousand, two hundred twenty".