120331222311 has 4 divisors (see below), whose sum is σ = 160441629752. Its totient is φ = 80220814872.

The previous prime is 120331222309. The next prime is 120331222321. The reversal of 120331222311 is 113222133021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 113222133021 = 3 ⋅37740711007.

It is not a de Polignac number, because 120331222311 - 2¹ = 120331222309 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 (120331222321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20055203716 + ... + 20055203721.

It is an arithmetic number, because the mean of its divisors is an integer number (40110407438).

Almost surely, 2^120331222311 is an apocalyptic number.

120331222311 is a deficient number, since it is larger than the sum of its proper divisors (40110407441).

120331222311 is an equidigital number, since it uses as much as digits as its factorization.

120331222311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40110407440.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 120331222311 its reverse (113222133021), we get a palindrome (233553355332).

The spelling of 120331222311 in words is "one hundred twenty billion, three hundred thirty-one million, two hundred twenty-two thousand, three hundred eleven".