12211112023 has 4 divisors (see below), whose sum is σ = 13321213128. Its totient is φ = 11101010920.

The previous prime is 12211112021. The next prime is 12211112027. The reversal of 12211112023 is 32021111221.

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

It is a cyclic number.

It is not a de Polignac number, because 12211112023 - 2¹ = 12211112021 is a prime.

It is a super-2 number, since 2×12211112023² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12211111988 and 12211112006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12211112021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 555050536 + ... + 555050557.

It is an arithmetic number, because the mean of its divisors is an integer number (3330303282).

Almost surely, 2^12211112023 is an apocalyptic number.

12211112023 is a deficient number, since it is larger than the sum of its proper divisors (1110101105).

12211112023 is a wasteful number, since it uses less digits than its factorization.

12211112023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110101104.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 12211112023 its reverse (32021111221), we get a palindrome (44232223244).

The spelling of 12211112023 in words is "twelve billion, two hundred eleven million, one hundred twelve thousand, twenty-three".