1232110220021 has 32 divisors (see below), whose sum is σ = 1311031518720. Its totient is φ = 1156433241600.

The previous prime is 1232110220009. The next prime is 1232110220053. The reversal of 1232110220021 is 1200220112321.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1232110220021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232110220221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58625111 + ... + 58646123.

It is an arithmetic number, because the mean of its divisors is an integer number (40969734960).

Almost surely, 2^{1232110220021} is an apocalyptic number.

It is an amenable number.

1232110220021 is a deficient number, since it is larger than the sum of its proper divisors (78921298699).

1232110220021 is a wasteful number, since it uses less digits than its factorization.

1232110220021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21597.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 1232110220021 its reverse (1200220112321), we get a palindrome (2432330332342).

The spelling of 1232110220021 in words is "one trillion, two hundred thirty-two billion, one hundred ten million, two hundred twenty thousand, twenty-one".