1000100101100 has 18 divisors (see below), whose sum is σ = 2170217219604. Its totient is φ = 400040040400.

The previous prime is 1000100101081. The next prime is 1000100101103. The reversal of 1000100101100 is 11010010001.

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

It is not an unprimeable number, because it can be changed into a prime (1000100101103) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5000500406 + ... + 5000500605.

Almost surely, 2^{1000100101100} is an apocalyptic number.

1000100101100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1000100101100 is an abundant number, since it is smaller than the sum of its proper divisors (1170117118504).

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

1000100101100 is a wasteful number, since it uses less digits than its factorization.

1000100101100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10001001025 (or 10001001018 counting only the distinct ones).

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

Adding to 1000100101100 its reverse (11010010001), we get a palindrome (1011110111101).

The spelling of 1000100101100 in words is "one trillion, one hundred million, one hundred one thousand, one hundred".