201022101219097 has 2 divisors, whose sum is σ = 201022101219098. Its totient is φ = 201022101219096.

The previous prime is 201022101219059. The next prime is 201022101219131. The reversal of 201022101219097 is 790912101220102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 191946920869081 + 9075180350016 = 13854491^2 + 3012504^2 .

It is a cyclic number.

It is not a de Polignac number, because 201022101219097 - 2⁷ = 201022101218969 is a prime.

It is not a weakly prime, because it can be changed into another prime (201022101211097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100511050609548 + 100511050609549.

It is an arithmetic number, because the mean of its divisors is an integer number (100511050609549).

Almost surely, 2^{201022101219097} is an apocalyptic number.

It is an amenable number.

201022101219097 is a deficient number, since it is larger than the sum of its proper divisors (1).

201022101219097 is an equidigital number, since it uses as much as digits as its factorization.

201022101219097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 37.

Adding to 201022101219097 its reverse (790912101220102), we get a palindrome (991934202439199).

The spelling of 201022101219097 in words is "two hundred one trillion, twenty-two billion, one hundred one million, two hundred nineteen thousand, ninety-seven".