120021312120311 has 8 divisors (see below), whose sum is σ = 137167844409120. Its totient is φ = 102874937470848.

The previous prime is 120021312120293. The next prime is 120021312120373. The reversal of 120021312120311 is 113021213120021.

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

It is a cyclic number.

It is not a de Polignac number, because 120021312120311 - 2⁶ = 120021312120247 is a prime.

It is a super-2 number, since 2×120021312120311² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120021312120011) 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, 37773806 + ... + 40827723.

It is an arithmetic number, because the mean of its divisors is an integer number (17145980551140).

Almost surely, 2^{120021312120311} is an apocalyptic number.

120021312120311 is a deficient number, since it is larger than the sum of its proper divisors (17146532288809).

120021312120311 is an equidigital number, since it uses as much as digits as its factorization.

120021312120311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78819673.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 120021312120311 its reverse (113021213120021), we get a palindrome (233042525240332).

The spelling of 120021312120311 in words is "one hundred twenty trillion, twenty-one billion, three hundred twelve million, one hundred twenty thousand, three hundred eleven".