10120100100 has 144 divisors (see below), whose sum is σ = 31980619776. Its totient is φ = 2450448000.

The previous prime is 10120100099. The next prime is 10120100147. The reversal of 10120100100 is 100102101.

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4377945 + ... + 4380255.

Almost surely, 2^10120100100 is an apocalyptic number.

10120100100 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 10120100100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15990309888).

10120100100 is an abundant number, since it is smaller than the sum of its proper divisors (21860519676).

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

10120100100 is a wasteful number, since it uses less digits than its factorization.

10120100100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3666 (or 3659 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 6.

Adding to 10120100100 its reverse (100102101), we get a palindrome (10220202201).

The spelling of 10120100100 in words is "ten billion, one hundred twenty million, one hundred thousand, one hundred".