120043105311 has 4 divisors (see below), whose sum is σ = 160057473752. Its totient is φ = 80028736872.

The previous prime is 120043105253. The next prime is 120043105333. The reversal of 120043105311 is 113501340021.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 120043105311 - 2¹⁹ = 120042581023 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 (120043105381) 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, 20007184216 + ... + 20007184221.

It is an arithmetic number, because the mean of its divisors is an integer number (40014368438).

Almost surely, 2^120043105311 is an apocalyptic number.

120043105311 is a deficient number, since it is larger than the sum of its proper divisors (40014368441).

120043105311 is an equidigital number, since it uses as much as digits as its factorization.

120043105311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40014368440.

The product of its (nonzero) digits is 360, while the sum is 21.

Adding to 120043105311 its reverse (113501340021), we get a palindrome (233544445332).

The spelling of 120043105311 in words is "one hundred twenty billion, forty-three million, one hundred five thousand, three hundred eleven".