32121040111 has 4 divisors (see below), whose sum is σ = 32121430000. Its totient is φ = 32120650224.

The previous prime is 32121040093. The next prime is 32121040141. The reversal of 32121040111 is 11104012123.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 11104012123 = 1753 ⋅6334291.

It is a cyclic number.

It is not a de Polignac number, because 32121040111 - 2⁵ = 32121040079 is a prime.

It is a super-2 number, since 2×32121040111² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32121040141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17571 + ... + 254068.

It is an arithmetic number, because the mean of its divisors is an integer number (8030357500).

Almost surely, 2^32121040111 is an apocalyptic number.

32121040111 is a deficient number, since it is larger than the sum of its proper divisors (389889).

32121040111 is a wasteful number, since it uses less digits than its factorization.

32121040111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389888.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 32121040111 its reverse (11104012123), we get a palindrome (43225052234).

The spelling of 32121040111 in words is "thirty-two billion, one hundred twenty-one million, forty thousand, one hundred eleven".