1001100000120 has 192 divisors, whose sum is σ = 3390369968160. Its totient is φ = 236131568640.

The previous prime is 1001100000113. The next prime is 1001100000137. The reversal of 1001100000120 is 210000011001.

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 a junction number, because it is equal to n+sod(n) for n = 1001100000099 and 1001100000108.

It is a congruent number.

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, 394467 + ... + 1468946.

Almost surely, 2^{1001100000120} is an apocalyptic number.

1001100000120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1001100000120 is an abundant number, since it is smaller than the sum of its proper divisors (2389269968040).

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

1001100000120 is a wasteful number, since it uses less digits than its factorization.

1001100000120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1863486 (or 1863471 counting only the distinct ones).

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

Adding to 1001100000120 its reverse (210000011001), we get a palindrome (1211100011121).

The spelling of 1001100000120 in words is "one trillion, one billion, one hundred million, one hundred twenty", and thus it is an aban number.