100120110012020 has 96 divisors (see below), whose sum is σ = 240483728701440. Its totient is φ = 34298982403200.

The previous prime is 100120110012019. The next prime is 100120110012047. The reversal of 100120110012020 is 20210011021001.

It is a junction number, because it is equal to n+sod(n) for n = 100120110011992 and 100120110012010.

It is a congruent number.

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, 909705995 + ... + 909816045.

It is an arithmetic number, because the mean of its divisors is an integer number (2505038840640).

Almost surely, 2^{100120110012020} is an apocalyptic number.

100120110012020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100120110012020 is an abundant number, since it is smaller than the sum of its proper divisors (140363618689420).

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

100120110012020 is a wasteful number, since it uses less digits than its factorization.

100120110012020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115293 (or 115291 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 100120110012020 its reverse (20210011021001), we get a palindrome (120330121033021).

The spelling of 100120110012020 in words is "one hundred trillion, one hundred twenty billion, one hundred ten million, twelve thousand, twenty".