21113120001232 has 40 divisors (see below), whose sum is σ = 48783109574016. Its totient is φ = 8655067825536.

The previous prime is 21113120001227. The next prime is 21113120001251. The reversal of 21113120001232 is 23210002131112.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4098040903 + ... + 4098046054.

Almost surely, 2^{21113120001232} is an apocalyptic number.

It is an amenable number.

21113120001232 is an abundant number, since it is smaller than the sum of its proper divisors (27669989572784).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21113120001232 is a wasteful number, since it uses less digits than its factorization.

21113120001232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8196086995 (or 8196086989 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 21113120001232 its reverse (23210002131112), we get a palindrome (44323122132344).

The spelling of 21113120001232 in words is "twenty-one trillion, one hundred thirteen billion, one hundred twenty million, one thousand, two hundred thirty-two".