83224399121 has 2 divisors, whose sum is σ = 83224399122. Its totient is φ = 83224399120.

The previous prime is 83224399117. The next prime is 83224399129. The reversal of 83224399121 is 12199342238.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69730324225 + 13494074896 = 264065^2 + 116164^2 .

It is a cyclic number.

It is not a de Polignac number, because 83224399121 - 2² = 83224399117 is a prime.

It is not a weakly prime, because it can be changed into another prime (83224399129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41612199560 + 41612199561.

It is an arithmetic number, because the mean of its divisors is an integer number (41612199561).

Almost surely, 2^83224399121 is an apocalyptic number.

It is an amenable number.

83224399121 is a deficient number, since it is larger than the sum of its proper divisors (1).

83224399121 is an equidigital number, since it uses as much as digits as its factorization.

83224399121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 186624, while the sum is 44.

The spelling of 83224399121 in words is "eighty-three billion, two hundred twenty-four million, three hundred ninety-nine thousand, one hundred twenty-one".