20113031123122 has 32 divisors (see below), whose sum is σ = 34554116830464. Its totient is φ = 8601217800000.

The previous prime is 20113031123071. The next prime is 20113031123123. The reversal of 20113031123122 is 22132113031102.

It is a junction number, because it is equal to n+sod(n) for n = 20113031123093 and 20113031123102.

It is not an unprimeable number, because it can be changed into a prime (20113031123123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40179372 + ... + 40676872.

It is an arithmetic number, because the mean of its divisors is an integer number (1079816150952).

Almost surely, 2^{20113031123122} is an apocalyptic number.

20113031123122 is a deficient number, since it is larger than the sum of its proper divisors (14441085707342).

20113031123122 is a wasteful number, since it uses less digits than its factorization.

20113031123122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503754.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 20113031123122 its reverse (22132113031102), we get a palindrome (42245144154224).

The spelling of 20113031123122 in words is "twenty trillion, one hundred thirteen billion, thirty-one million, one hundred twenty-three thousand, one hundred twenty-two".