120013310021 has 4 divisors (see below), whose sum is σ = 130923610944. Its totient is φ = 109103009100.

The previous prime is 120013310009. The next prime is 120013310033.

120013310021 is nontrivially palindromic in base 10.

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 an interprime number because it is at equal distance from previous prime (120013310009) and next prime (120013310033).

It is a cyclic number.

It is not a de Polignac number, because 120013310021 - 2⁶ = 120013309957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120013309978 and 120013310005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120013310051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5455150445 + ... + 5455150466.

It is an arithmetic number, because the mean of its divisors is an integer number (32730902736).

Almost surely, 2^120013310021 is an apocalyptic number.

120013310021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120013310021 is a deficient number, since it is larger than the sum of its proper divisors (10910300923).

120013310021 is a wasteful number, since it uses less digits than its factorization.

120013310021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10910300922.

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

It can be divided in two parts, 120013 and 310021, that added together give a palindrome (430034).

The spelling of 120013310021 in words is "one hundred twenty billion, thirteen million, three hundred ten thousand, twenty-one".