12220111023 has 8 divisors (see below), whose sum is σ = 16336473600. Its totient is φ = 8125244568.

The previous prime is 12220111021. The next prime is 12220111051. The reversal of 12220111023 is 32011102221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12220111023 - 2¹ = 12220111021 is a prime.

It is a super-2 number, since 2×12220111023² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12220110993 and 12220111011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12220111021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5372703 + ... + 5374976.

It is an arithmetic number, because the mean of its divisors is an integer number (2042059200).

Almost surely, 2^12220111023 is an apocalyptic number.

12220111023 is a deficient number, since it is larger than the sum of its proper divisors (4116362577).

12220111023 is a wasteful number, since it uses less digits than its factorization.

12220111023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10748061.

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

Adding to 12220111023 its reverse (32011102221), we get a palindrome (44231213244).

The spelling of 12220111023 in words is "twelve billion, two hundred twenty million, one hundred eleven thousand, twenty-three".