32155233021121 has 8 divisors (see below), whose sum is σ = 37498814019200. Its totient is φ = 27561628303524.

The previous prime is 32155233021083. The next prime is 32155233021161. The reversal of 32155233021121 is 12112033255123.

It is a happy number.

It is not a de Polignac number, because 32155233021121 - 2¹¹ = 32155233019073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32155233021161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46873517181 + ... + 46873517866.

It is an arithmetic number, because the mean of its divisors is an integer number (4687351752400).

Almost surely, 2^{32155233021121} is an apocalyptic number.

It is an amenable number.

32155233021121 is a deficient number, since it is larger than the sum of its proper divisors (5343580998079).

32155233021121 is an frugal number, since it uses more digits than its factorization.

32155233021121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93747035068 (or 93747035054 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

Adding to 32155233021121 its reverse (12112033255123), we get a palindrome (44267266276244).

The spelling of 32155233021121 in words is "thirty-two trillion, one hundred fifty-five billion, two hundred thirty-three million, twenty-one thousand, one hundred twenty-one".