120111202003 has 4 divisors (see below), whose sum is σ = 129350525248. Its totient is φ = 110871878760.

The previous prime is 120111201967. The next prime is 120111202021. The reversal of 120111202003 is 300202111021.

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 120111202003 - 2⁹ = 120111201491 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13), and also a Moran number because the ratio is a prime number: 9239323231 = 120111202003 / (1 + 2 + 0 + 1 + 1 + 1 + 2 + 0 + 2 + 0 + 0 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120111202063) 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, 4619661603 + ... + 4619661628.

It is an arithmetic number, because the mean of its divisors is an integer number (32337631312).

Almost surely, 2^120111202003 is an apocalyptic number.

120111202003 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

120111202003 is a deficient number, since it is larger than the sum of its proper divisors (9239323245).

120111202003 is an equidigital number, since it uses as much as digits as its factorization.

120111202003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9239323244.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 120111202003 its reverse (300202111021), we get a palindrome (420313313024).

The spelling of 120111202003 in words is "one hundred twenty billion, one hundred eleven million, two hundred two thousand, three".