1000010100100 has 144 divisors (see below), whose sum is σ = 2473182331200. Its totient is φ = 347623360000.

The previous prime is 1000010100091. The next prime is 1000010100101. The reversal of 1000010100100 is 10010100001.

It is a Harshad number since it is a multiple of its sum of digits (4).

It is a self number, because there is not a number n which added to its sum of digits gives 1000010100100.

It is not an unprimeable number, because it can be changed into a prime (1000010100101) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3066711 + ... + 3377089.

It is an arithmetic number, because the mean of its divisors is an integer number (17174877300).

Almost surely, 2^{1000010100100} is an apocalyptic number.

1000010100100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1000010100100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1236591165600).

1000010100100 is an abundant number, since it is smaller than the sum of its proper divisors (1473172231100).

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

1000010100100 is a wasteful number, since it uses less digits than its factorization.

1000010100100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310534 (or 310527 counting only the distinct ones).

The product of its (nonzero) digits is 1, while the sum is 4.

Adding to 1000010100100 its reverse (10010100001), we get a palindrome (1010020200101).

Subtracting from 1000010100100 its reverse (10010100001), we obtain a palindrome (990000000099).

The spelling of 1000010100100 in words is "one trillion, ten million, one hundred thousand, one hundred".