120102321003 has 16 divisors (see below), whose sum is σ = 183093367296. Its totient is φ = 68599782720.

The previous prime is 120102320993. The next prime is 120102321013. The reversal of 120102321003 is 300123201021.

It is an interprime number because it is at equal distance from previous prime (120102320993) and next prime (120102321013).

It is not a de Polignac number, because 120102321003 - 2¹⁷ = 120102189931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120102321013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1205751 + ... + 1301552.

It is an arithmetic number, because the mean of its divisors is an integer number (11443335456).

Almost surely, 2^120102321003 is an apocalyptic number.

120102321003 is a deficient number, since it is larger than the sum of its proper divisors (62991046293).

120102321003 is a wasteful number, since it uses less digits than its factorization.

120102321003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2509594.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 120102321003 its reverse (300123201021), we get a palindrome (420225522024).

The spelling of 120102321003 in words is "one hundred twenty billion, one hundred two million, three hundred twenty-one thousand, three".