10100100120220 has 36 divisors (see below), whose sum is σ = 23313702183912. Its totient is φ = 3672763679200.

The previous prime is 10100100120197. The next prime is 10100100120223. The reversal of 10100100120220 is 2202100100101.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 10100100120197 and 10100100120206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10100100120223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2086795126 + ... + 2086799965.

It is an arithmetic number, because the mean of its divisors is an integer number (647602838442).

Almost surely, 2^{10100100120220} is an apocalyptic number.

10100100120220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10100100120220 is an abundant number, since it is smaller than the sum of its proper divisors (13213602063692).

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

10100100120220 is a wasteful number, since it uses less digits than its factorization.

10100100120220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4173595122 (or 4173595109 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 10100100120220 its reverse (2202100100101), we get a palindrome (12302200220321).

The spelling of 10100100120220 in words is "ten trillion, one hundred billion, one hundred million, one hundred twenty thousand, two hundred twenty".