120020002103 has 4 divisors (see below), whose sum is σ = 125238263088. Its totient is φ = 114801741120.

The previous prime is 120020002097. The next prime is 120020002111. The reversal of 120020002103 is 301200020021.

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: 301200020021 = 10781 ⋅27938041.

It is a cyclic number.

It is not a de Polignac number, because 120020002103 - 2³² = 115725034807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120020002903) 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, 2609130458 + ... + 2609130503.

It is an arithmetic number, because the mean of its divisors is an integer number (31309565772).

Almost surely, 2^120020002103 is an apocalyptic number.

120020002103 is a deficient number, since it is larger than the sum of its proper divisors (5218260985).

120020002103 is an equidigital number, since it uses as much as digits as its factorization.

120020002103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5218260984.

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 120020002103 its reverse (301200020021), we get a palindrome (421220022124).

The spelling of 120020002103 in words is "one hundred twenty billion, twenty million, two thousand, one hundred three".