1232213023111 has 4 divisors (see below), whose sum is σ = 1408243454992. Its totient is φ = 1056182591232.

The previous prime is 1232213023099. The next prime is 1232213023121. The reversal of 1232213023111 is 1113203122321.

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 1232213023111 - 2⁵ = 1232213023079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232213023121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88015215930 + ... + 88015215943.

It is an arithmetic number, because the mean of its divisors is an integer number (352060863748).

Almost surely, 2^{1232213023111} is an apocalyptic number.

1232213023111 is a deficient number, since it is larger than the sum of its proper divisors (176030431881).

1232213023111 is an equidigital number, since it uses as much as digits as its factorization.

1232213023111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176030431880.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 1232213023111 its reverse (1113203122321), we get a palindrome (2345416145432).

The spelling of 1232213023111 in words is "one trillion, two hundred thirty-two billion, two hundred thirteen million, twenty-three thousand, one hundred eleven".