100120302203 has 4 divisors (see below), whose sum is σ = 102448681368. Its totient is φ = 97791923040.

The previous prime is 100120302193. The next prime is 100120302211. The reversal of 100120302203 is 302203021001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 302203021001 = 7 ⋅43171860143.

It is a cyclic number.

It is not a de Polignac number, because 100120302203 - 2⁸ = 100120301947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100120302263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1164189518 + ... + 1164189603.

It is an arithmetic number, because the mean of its divisors is an integer number (25612170342).

Almost surely, 2^100120302203 is an apocalyptic number.

100120302203 is a deficient number, since it is larger than the sum of its proper divisors (2328379165).

100120302203 is an equidigital number, since it uses as much as digits as its factorization.

100120302203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2328379164.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 100120302203 its reverse (302203021001), we get a palindrome (402323323204).

The spelling of 100120302203 in words is "one hundred billion, one hundred twenty million, three hundred two thousand, two hundred three".