120021122013 has 8 divisors (see below), whose sum is σ = 172338021408. Its totient is φ = 73859151984.

The previous prime is 120021121939. The next prime is 120021122027. The reversal of 120021122013 is 310221120021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 120021122013 - 2⁸ = 120021121757 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120021121983 and 120021122001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120021122063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1538732295 + ... + 1538732372.

It is an arithmetic number, because the mean of its divisors is an integer number (21542252676).

Almost surely, 2^120021122013 is an apocalyptic number.

120021122013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

120021122013 is a deficient number, since it is larger than the sum of its proper divisors (52316899395).

120021122013 is a wasteful number, since it uses less digits than its factorization.

120021122013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3077464683.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 120021122013 its reverse (310221120021), we get a palindrome (430242242034).

The spelling of 120021122013 in words is "one hundred twenty billion, twenty-one million, one hundred twenty-two thousand, thirteen".