32121311131111 has 4 divisors (see below), whose sum is σ = 32126200970400. Its totient is φ = 32116421291824.

The previous prime is 32121311131069. The next prime is 32121311131211. The reversal of 32121311131111 is 11113111312123.

It is a happy number.

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 32121311131111 - 2⁹ = 32121311130599 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 (32121311131211) 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 3 ways as a sum of consecutive naturals, for example, 2444909791 + ... + 2444922928.

It is an arithmetic number, because the mean of its divisors is an integer number (8031550242600).

Almost surely, 2^{32121311131111} is an apocalyptic number.

32121311131111 is a deficient number, since it is larger than the sum of its proper divisors (4889839289).

32121311131111 is an equidigital number, since it uses as much as digits as its factorization.

32121311131111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4889839288.

The product of its digits is 108, while the sum is 22.

Adding to 32121311131111 its reverse (11113111312123), we get a palindrome (43234422443234).

The spelling of 32121311131111 in words is "thirty-two trillion, one hundred twenty-one billion, three hundred eleven million, one hundred thirty-one thousand, one hundred eleven".