860121222121033 has 2 divisors, whose sum is σ = 860121222121034. Its totient is φ = 860121222121032.

The previous prime is 860121222121013. The next prime is 860121222121043. The reversal of 860121222121033 is 330121222121068.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 760896254585104 + 99224967535929 = 27584348^2 + 9961173^2 .

It is a cyclic number.

It is not a de Polignac number, because 860121222121033 - 2⁹ = 860121222120521 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 860121222121033.

It is not a weakly prime, because it can be changed into another prime (860121222121013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 430060611060516 + 430060611060517.

It is an arithmetic number, because the mean of its divisors is an integer number (430060611060517).

Almost surely, 2^{860121222121033} is an apocalyptic number.

It is an amenable number.

860121222121033 is a deficient number, since it is larger than the sum of its proper divisors (1).

860121222121033 is an equidigital number, since it uses as much as digits as its factorization.

860121222121033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 34.

The spelling of 860121222121033 in words is "eight hundred sixty trillion, one hundred twenty-one billion, two hundred twenty-two million, one hundred twenty-one thousand, thirty-three".