101220012102220 has 48 divisors (see below), whose sum is σ = 231911618400000. Its totient is φ = 36803186256320.

The previous prime is 101220012102211. The next prime is 101220012102233. The reversal of 101220012102220 is 22201210022101.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 101220012102194 and 101220012102203.

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, 23583670 + ... + 27543229.

It is an arithmetic number, because the mean of its divisors is an integer number (4831492050000).

Almost surely, 2^{101220012102220} is an apocalyptic number.

101220012102220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101220012102220 is an abundant number, since it is smaller than the sum of its proper divisors (130691606297780).

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

101220012102220 is a wasteful number, since it uses less digits than its factorization.

101220012102220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51135918 (or 51135916 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 101220012102220 its reverse (22201210022101), we get a palindrome (123421222124321).

The spelling of 101220012102220 in words is "one hundred one trillion, two hundred twenty billion, twelve million, one hundred two thousand, two hundred twenty".