120102011003 has 6 divisors (see below), whose sum is σ = 130051290204. Its totient is φ = 110863394616.

The previous prime is 120102010999. The next prime is 120102011011. The reversal of 120102011003 is 300110201021.

It is not a de Polignac number, because 120102011003 - 2² = 120102010999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120102011503) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 355331225 + ... + 355331562.

It is an arithmetic number, because the mean of its divisors is an integer number (21675215034).

Almost surely, 2^120102011003 is an apocalyptic number.

120102011003 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

120102011003 is a deficient number, since it is larger than the sum of its proper divisors (9949279201).

120102011003 is an equidigital number, since it uses as much as digits as its factorization.

120102011003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710662813 (or 710662800 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 120102011003 its reverse (300110201021), we get a palindrome (420212212024).

The spelling of 120102011003 in words is "one hundred twenty billion, one hundred two million, eleven thousand, three".