1000010100103 has 4 divisors (see below), whose sum is σ = 1142868685840. Its totient is φ = 857151514368.

The previous prime is 1000010100101. The next prime is 1000010100169. The reversal of 1000010100103 is 3010010100001.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1000010100103 - 2¹ = 1000010100101 is a prime.

It is a super-2 number, since 2×1000010100103² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (7), and also a Moran number because the ratio is a prime number: 142858585729 = 1000010100103 / (1 + 0 + 0 + 0 + 0 + 1 + 0 + 1 + 0 + 0 + 1 + 0 + 3).

It is a congruent number.

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

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71429292858 + ... + 71429292871.

It is an arithmetic number, because the mean of its divisors is an integer number (285717171460).

Almost surely, 2^{1000010100103} is an apocalyptic number.

1000010100103 is a deficient number, since it is larger than the sum of its proper divisors (142858585737).

1000010100103 is an equidigital number, since it uses as much as digits as its factorization.

1000010100103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142858585736.

The product of its (nonzero) digits is 3, while the sum is 7.

Adding to 1000010100103 its reverse (3010010100001), we get a palindrome (4010020200104).

The spelling of 1000010100103 in words is "one trillion, ten million, one hundred thousand, one hundred three".