1111120020331 has 4 divisors (see below), whose sum is σ = 1146962601664. Its totient is φ = 1075277439000.

The previous prime is 1111120020319. The next prime is 1111120020391. The reversal of 1111120020331 is 1330200211111.

It is a happy number.

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

It is not a de Polignac number, because 1111120020331 - 2⁹ = 1111120019819 is a prime.

It is a super-2 number, since 2×1111120020331² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1111120020391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17921290620 + ... + 17921290681.

It is an arithmetic number, because the mean of its divisors is an integer number (286740650416).

Almost surely, 2^{1111120020331} is an apocalyptic number.

1111120020331 is a deficient number, since it is larger than the sum of its proper divisors (35842581333).

1111120020331 is an equidigital number, since it uses as much as digits as its factorization.

1111120020331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35842581332.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 1111120020331 its reverse (1330200211111), we get a palindrome (2441320231442).

The spelling of 1111120020331 in words is "one trillion, one hundred eleven billion, one hundred twenty million, twenty thousand, three hundred thirty-one".