212202102021097 has 2 divisors, whose sum is σ = 212202102021098. Its totient is φ = 212202102021096.

The previous prime is 212202102021073. The next prime is 212202102021127. The reversal of 212202102021097 is 790120201202212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 193032232108816 + 19169869912281 = 13893604^2 + 4378341^2 .

It is a cyclic number.

It is not a de Polignac number, because 212202102021097 - 2³⁵ = 212167742282729 is a prime.

It is not a weakly prime, because it can be changed into another prime (212202102021017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106101051010548 + 106101051010549.

It is an arithmetic number, because the mean of its divisors is an integer number (106101051010549).

Almost surely, 2^{212202102021097} is an apocalyptic number.

It is an amenable number.

212202102021097 is a deficient number, since it is larger than the sum of its proper divisors (1).

212202102021097 is an equidigital number, since it uses as much as digits as its factorization.

212202102021097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 31.

The spelling of 212202102021097 in words is "two hundred twelve trillion, two hundred two billion, one hundred two million, twenty-one thousand, ninety-seven".