120331011103 has 4 divisors (see below), whose sum is σ = 120340203480. Its totient is φ = 120321818728.

The previous prime is 120331011079. The next prime is 120331011121. The reversal of 120331011103 is 301110133021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 301110133021 = 1367 ⋅220270763.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120331011103 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 (120331011133) 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, 4576525 + ... + 4602742.

It is an arithmetic number, because the mean of its divisors is an integer number (30085050870).

Almost surely, 2^120331011103 is an apocalyptic number.

120331011103 is a deficient number, since it is larger than the sum of its proper divisors (9192377).

120331011103 is an equidigital number, since it uses as much as digits as its factorization.

120331011103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9192376.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 120331011103 its reverse (301110133021), we get a palindrome (421441144124).

The spelling of 120331011103 in words is "one hundred twenty billion, three hundred thirty-one million, eleven thousand, one hundred three".