2320111212281 has 2 divisors, whose sum is σ = 2320111212282. Its totient is φ = 2320111212280.

The previous prime is 2320111212179. The next prime is 2320111212347. The reversal of 2320111212281 is 1822121110232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1744195662400 + 575915549881 = 1320680^2 + 758891^2 .

It is a cyclic number.

It is not a de Polignac number, because 2320111212281 - 2¹⁸ = 2320110950137 is a prime.

It is a super-2 number, since 2×2320111212281² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2320111212281.

It is not a weakly prime, because it can be changed into another prime (2320111202281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1160055606140 + 1160055606141.

It is an arithmetic number, because the mean of its divisors is an integer number (1160055606141).

Almost surely, 2^{2320111212281} is an apocalyptic number.

It is an amenable number.

2320111212281 is a deficient number, since it is larger than the sum of its proper divisors (1).

2320111212281 is an equidigital number, since it uses as much as digits as its factorization.

2320111212281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 26.

The spelling of 2320111212281 in words is "two trillion, three hundred twenty billion, one hundred eleven million, two hundred twelve thousand, two hundred eighty-one".