12111102021023 has 8 divisors (see below), whose sum is σ = 12177788667408. Its totient is φ = 12044541081664.

The previous prime is 12111102020917. The next prime is 12111102021043. The reversal of 12111102021023 is 32012020111121.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12111102021023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12111102020992 and 12111102021010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12111102021043) 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, 31233536 + ... + 31618917.

It is an arithmetic number, because the mean of its divisors is an integer number (1522223583426).

Almost surely, 2^{12111102021023} is an apocalyptic number.

12111102021023 is a deficient number, since it is larger than the sum of its proper divisors (66686646385).

12111102021023 is an equidigital number, since it uses as much as digits as its factorization.

12111102021023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62853513.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 12111102021023 its reverse (32012020111121), we get a palindrome (44123122132144).

The spelling of 12111102021023 in words is "twelve trillion, one hundred eleven billion, one hundred two million, twenty-one thousand, twenty-three".