100281000001 has 64 divisors (see below), whose sum is σ = 132465715200. Its totient is φ = 73661423616.

The previous prime is 100280999969. The next prime is 100281000047. The reversal of 100281000001 is 100000182001.

It is a cyclic number.

It is not a de Polignac number, because 100281000001 - 2⁵ = 100280999969 is a prime.

It is a super-2 number, since 2×100281000001² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (100281000301) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 98993571 + ... + 98994583.

It is an arithmetic number, because the mean of its divisors is an integer number (2069776800).

Almost surely, 2^100281000001 is an apocalyptic number.

It is an amenable number.

100281000001 is a deficient number, since it is larger than the sum of its proper divisors (32184715199).

100281000001 is a wasteful number, since it uses less digits than its factorization.

100281000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1858.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 100281000001 its reverse (100000182001), we get a palindrome (200281182002).

The spelling of 100281000001 in words is "one hundred billion, two hundred eighty-one million, one", and thus it is an aban number.