2021201011097 has 2 divisors, whose sum is σ = 2021201011098. Its totient is φ = 2021201011096.

The previous prime is 2021201011087. The next prime is 2021201011103. The reversal of 2021201011097 is 7901101021202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2003538335296 + 17662675801 = 1415464^2 + 132901^2 .

It is a cyclic number.

It is not a de Polignac number, because 2021201011097 - 2⁶ = 2021201011033 is a prime.

It is not a weakly prime, because it can be changed into another prime (2021201011007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010600505548 + 1010600505549.

It is an arithmetic number, because the mean of its divisors is an integer number (1010600505549).

Almost surely, 2^{2021201011097} is an apocalyptic number.

It is an amenable number.

2021201011097 is a deficient number, since it is larger than the sum of its proper divisors (1).

2021201011097 is an equidigital number, since it uses as much as digits as its factorization.

2021201011097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 26.

Adding to 2021201011097 its reverse (7901101021202), we get a palindrome (9922302032299).

The spelling of 2021201011097 in words is "two trillion, twenty-one billion, two hundred one million, eleven thousand, ninety-seven".