100001000010128 has 20 divisors (see below), whose sum is σ = 221430785736960. Its totient is φ = 42857571432864.

The previous prime is 100001000010127. The next prime is 100001000010137. The reversal of 100001000010128 is 821010000100001.

It is a super-2 number, since 2×100001000010128² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (100001000010127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 446433035648 + ... + 446433035871.

It is an arithmetic number, because the mean of its divisors is an integer number (11071539286848).

Almost surely, 2^{100001000010128} is an apocalyptic number.

It is an amenable number.

100001000010128 is an abundant number, since it is smaller than the sum of its proper divisors (121429785726832).

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

100001000010128 is an equidigital number, since it uses as much as digits as its factorization.

100001000010128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 892866071534 (or 892866071528 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 100001000010128 its reverse (821010000100001), we get a palindrome (921011000110129).

The spelling of 100001000010128 in words is "one hundred trillion, one billion, ten thousand, one hundred twenty-eight".