1210322098081 has 2 divisors, whose sum is σ = 1210322098082. Its totient is φ = 1210322098080.

The previous prime is 1210322098019. The next prime is 1210322098087. The reversal of 1210322098081 is 1808902230121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1174481550225 + 35840547856 = 1083735^2 + 189316^2 .

It is a cyclic number.

It is not a de Polignac number, because 1210322098081 - 2²⁵ = 1210288543649 is a prime.

It is a super-2 number, since 2×1210322098081² (a number of 25 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 1210322098081.

It is not a weakly prime, because it can be changed into another prime (1210322098087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605161049040 + 605161049041.

It is an arithmetic number, because the mean of its divisors is an integer number (605161049041).

Almost surely, 2^{1210322098081} is an apocalyptic number.

It is an amenable number.

1210322098081 is a deficient number, since it is larger than the sum of its proper divisors (1).

1210322098081 is an equidigital number, since it uses as much as digits as its factorization.

1210322098081 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 37.

The spelling of 1210322098081 in words is "one trillion, two hundred ten billion, three hundred twenty-two million, ninety-eight thousand, eighty-one".