120003113021 has 4 divisors (see below), whose sum is σ = 130912486944. Its totient is φ = 109093739100.

The previous prime is 120003113003. The next prime is 120003113029. The reversal of 120003113021 is 120311300021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 120003113021 - 2¹⁴ = 120003096637 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 120003112987 and 120003113005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120003113029) 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, 5454686945 + ... + 5454686966.

It is an arithmetic number, because the mean of its divisors is an integer number (32728121736).

Almost surely, 2^120003113021 is an apocalyptic number.

120003113021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120003113021 is a deficient number, since it is larger than the sum of its proper divisors (10909373923).

120003113021 is a wasteful number, since it uses less digits than its factorization.

120003113021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10909373922.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 120003113021 its reverse (120311300021), we get a palindrome (240314413042).

The spelling of 120003113021 in words is "one hundred twenty billion, three million, one hundred thirteen thousand, twenty-one".