20231111311222 has 12 divisors (see below), whose sum is σ = 35301224839140. Its totient is φ = 8670476276196.

The previous prime is 20231111311193. The next prime is 20231111311231. The reversal of 20231111311222 is 22211311113202.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20231111311193 and 20231111311202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 103219955572 + ... + 103219955767.

It is an arithmetic number, because the mean of its divisors is an integer number (2941768736595).

Almost surely, 2^{20231111311222} is an apocalyptic number.

20231111311222 is a deficient number, since it is larger than the sum of its proper divisors (15070113527918).

20231111311222 is a wasteful number, since it uses less digits than its factorization.

20231111311222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206439911355 (or 206439911348 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 20231111311222 its reverse (22211311113202), we get a palindrome (42442422424424).

It can be divided in two parts, 2023111 and 1311222, that added together give a palindrome (3334333).

The spelling of 20231111311222 in words is "twenty trillion, two hundred thirty-one billion, one hundred eleven million, three hundred eleven thousand, two hundred twenty-two".