20231111022 has 64 divisors (see below), whose sum is σ = 43159944960. Its totient is φ = 6310886400.

The previous prime is 20231111003. The next prime is 20231111059. The reversal of 20231111022 is 22011113202.

It is a junction number, because it is equal to n+sod(n) for n = 20231110992 and 20231111010.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 969822 + ... + 990462.

It is an arithmetic number, because the mean of its divisors is an integer number (674374140).

Almost surely, 2^20231111022 is an apocalyptic number.

20231111022 is an abundant number, since it is smaller than the sum of its proper divisors (22928833938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20231111022 is a wasteful number, since it uses less digits than its factorization.

20231111022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20849.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 20231111022 its reverse (22011113202), we get a palindrome (42242224224).

The spelling of 20231111022 in words is "twenty billion, two hundred thirty-one million, one hundred eleven thousand, twenty-two".