1000010120100 has 72 divisors (see below), whose sum is σ = 2928222477600. Its totient is φ = 263456474880.

The previous prime is 1000010120093. The next prime is 1000010120113. The reversal of 1000010120100 is 10210100001.

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 23 ways as a sum of consecutive naturals, for example, 20055625 + ... + 20105424.

Almost surely, 2^{1000010120100} is an apocalyptic number.

1000010120100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1000010120100 is an abundant number, since it is smaller than the sum of its proper divisors (1928212357500).

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

1000010120100 is a wasteful number, since it uses less digits than its factorization.

1000010120100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40161149 (or 40161142 counting only the distinct ones).

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

Adding to 1000010120100 its reverse (10210100001), we get a palindrome (1010220220101).

The spelling of 1000010120100 in words is "one trillion, ten million, one hundred twenty thousand, one hundred".