20031113122 has 16 divisors (see below), whose sum is σ = 30097786752. Its totient is φ = 9998534160.

The previous prime is 20031113101. The next prime is 20031113161. The reversal of 20031113122 is 22131113002.

It is a junction number, because it is equal to n+sod(n) for n = 20031113096 and 20031113105.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3586372 + ... + 3591952.

It is an arithmetic number, because the mean of its divisors is an integer number (1881111672).

Almost surely, 2^20031113122 is an apocalyptic number.

20031113122 is a deficient number, since it is larger than the sum of its proper divisors (10066673630).

20031113122 is a wasteful number, since it uses less digits than its factorization.

20031113122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8313.

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

Adding to 20031113122 its reverse (22131113002), we get a palindrome (42162226124).

The spelling of 20031113122 in words is "twenty billion, thirty-one million, one hundred thirteen thousand, one hundred twenty-two".