83121332271371 has 2 divisors, whose sum is σ = 83121332271372. Its totient is φ = 83121332271370.

The previous prime is 83121332271277. The next prime is 83121332271569. The reversal of 83121332271371 is 17317223312138.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83121332271371 is a prime.

It is not a weakly prime, because it can be changed into another prime (83121332271671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41560666135685 + 41560666135686.

It is an arithmetic number, because the mean of its divisors is an integer number (41560666135686).

Almost surely, 2^{83121332271371} is an apocalyptic number.

83121332271371 is a deficient number, since it is larger than the sum of its proper divisors (1).

83121332271371 is an equidigital number, since it uses as much as digits as its factorization.

83121332271371 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 254016, while the sum is 44.

The spelling of 83121332271371 in words is "eighty-three trillion, one hundred twenty-one billion, three hundred thirty-two million, two hundred seventy-one thousand, three hundred seventy-one".