32121111112147 has 2 divisors, whose sum is σ = 32121111112148. Its totient is φ = 32121111112146.

The previous prime is 32121111112099. The next prime is 32121111112159. The reversal of 32121111112147 is 74121111112123.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (74121111112123) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 32121111112147 - 2¹⁹ = 32121110587859 is a prime.

It is not a weakly prime, because it can be changed into another prime (32121111112547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16060555556073 + 16060555556074.

It is an arithmetic number, because the mean of its divisors is an integer number (16060555556074).

Almost surely, 2^{32121111112147} is an apocalyptic number.

32121111112147 is a deficient number, since it is larger than the sum of its proper divisors (1).

32121111112147 is an equidigital number, since it uses as much as digits as its factorization.

32121111112147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 672, while the sum is 28.

The spelling of 32121111112147 in words is "thirty-two trillion, one hundred twenty-one billion, one hundred eleven million, one hundred twelve thousand, one hundred forty-seven".