120103100001 has 20 divisors (see below), whose sum is σ = 179423221824. Its totient is φ = 80064293400.

The previous prime is 120103099997. The next prime is 120103100011. The reversal of 120103100001 is 100001301021.

It is not a de Polignac number, because 120103100001 - 2² = 120103099997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (120103100011) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2135836 + ... + 2191346.

Almost surely, 2^120103100001 is an apocalyptic number.

It is an amenable number.

120103100001 is a deficient number, since it is larger than the sum of its proper divisors (59320121823).

120103100001 is an equidigital number, since it uses as much as digits as its factorization.

120103100001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82234 (or 82225 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

Adding to 120103100001 its reverse (100001301021), we get a palindrome (220104401022).

The spelling of 120103100001 in words is "one hundred twenty billion, one hundred three million, one hundred thousand, one".