210022210021097 has 2 divisors, whose sum is σ = 210022210021098. Its totient is φ = 210022210021096.

The previous prime is 210022210021079. The next prime is 210022210021103. The reversal of 210022210021097 is 790120012220012.

Together with previous prime (210022210021079) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 205902381791401 + 4119828229696 = 14349299^2 + 2029736^2 .

It is a cyclic number.

It is not a de Polignac number, because 210022210021097 - 2⁸ = 210022210020841 is a prime.

It is not a weakly prime, because it can be changed into another prime (210022210021027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105011105010548 + 105011105010549.

It is an arithmetic number, because the mean of its divisors is an integer number (105011105010549).

Almost surely, 2^{210022210021097} is an apocalyptic number.

It is an amenable number.

210022210021097 is a deficient number, since it is larger than the sum of its proper divisors (1).

210022210021097 is an equidigital number, since it uses as much as digits as its factorization.

210022210021097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 29.

The spelling of 210022210021097 in words is "two hundred ten trillion, twenty-two billion, two hundred ten million, twenty-one thousand, ninety-seven".