120221030311 has 4 divisors (see below), whose sum is σ = 120221728000. Its totient is φ = 120220332624.

The previous prime is 120221030309. The next prime is 120221030327. The reversal of 120221030311 is 113030122021.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 120221030311 - 2¹ = 120221030309 is a prime.

It is a super-2 number, since 2×120221030311² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120221030341) 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, 116890 + ... + 504088.

It is an arithmetic number, because the mean of its divisors is an integer number (30055432000).

Almost surely, 2^120221030311 is an apocalyptic number.

120221030311 is a deficient number, since it is larger than the sum of its proper divisors (697689).

120221030311 is an equidigital number, since it uses as much as digits as its factorization.

120221030311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 697688.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 120221030311 its reverse (113030122021), we get a palindrome (233251152332).

The spelling of 120221030311 in words is "one hundred twenty billion, two hundred twenty-one million, thirty thousand, three hundred eleven".