120320223111311 has 2 divisors, whose sum is σ = 120320223111312. Its totient is φ = 120320223111310.

The previous prime is 120320223111301. The next prime is 120320223111401. The reversal of 120320223111311 is 113111322023021.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120320223111311 - 2¹⁰ = 120320223110287 is a prime.

It is a super-2 number, since 2×120320223111311² (a number of 29 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120320223111301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60160111555655 + 60160111555656.

It is an arithmetic number, because the mean of its divisors is an integer number (60160111555656).

Almost surely, 2^{120320223111311} is an apocalyptic number.

120320223111311 is a deficient number, since it is larger than the sum of its proper divisors (1).

120320223111311 is an equidigital number, since it uses as much as digits as its factorization.

120320223111311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 120320223111311 its reverse (113111322023021), we get a palindrome (233431545134332).

The spelling of 120320223111311 in words is "one hundred twenty trillion, three hundred twenty billion, two hundred twenty-three million, one hundred eleven thousand, three hundred eleven".