100101010100 has 72 divisors (see below), whose sum is σ = 267346722048. Its totient is φ = 31680316800.

The previous prime is 100101010099. The next prime is 100101010103. The reversal of 100101010100 is 1010101001.

It is a Harshad number since it is a multiple of its sum of digits (5).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100101010103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5490956 + ... + 5509155.

Almost surely, 2^100101010100 is an apocalyptic number.

100101010100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100101010100 is an abundant number, since it is smaller than the sum of its proper divisors (167245711948).

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

100101010100 is a wasteful number, since it uses less digits than its factorization.

100101010100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11000145 (or 11000138 counting only the distinct ones).

The product of its (nonzero) digits is 1, while the sum is 5.

Adding to 100101010100 its reverse (1010101001), we get a palindrome (101111111101).

Subtracting from 100101010100 its reverse (1010101001), we obtain a palindrome (99090909099).

The spelling of 100101010100 in words is "one hundred billion, one hundred one million, ten thousand, one hundred".