101310220120 has 64 divisors (see below), whose sum is σ = 230737053600. Its totient is φ = 40029158400.

The previous prime is 101310220097. The next prime is 101310220199. The reversal of 101310220120 is 21022013101.

It is a self number, because there is not a number n which added to its sum of digits gives 101310220120.

It is a congruent number.

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, 3728022 + ... + 3755098.

Almost surely, 2^101310220120 is an apocalyptic number.

101310220120 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 101310220120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115368526800).

101310220120 is an abundant number, since it is smaller than the sum of its proper divisors (129426833480).

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

101310220120 is a wasteful number, since it uses less digits than its factorization.

101310220120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28228 (or 28224 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 101310220120 its reverse (21022013101), we get a palindrome (122332233221).

The spelling of 101310220120 in words is "one hundred one billion, three hundred ten million, two hundred twenty thousand, one hundred twenty".