2101201201097 has 2 divisors, whose sum is σ = 2101201201098. Its totient is φ = 2101201201096.

The previous prime is 2101201201063. The next prime is 2101201201129. The reversal of 2101201201097 is 7901021021012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2063966095801 + 37235105296 = 1436651^2 + 192964^2 .

It is a cyclic number.

It is not a de Polignac number, because 2101201201097 - 2¹⁸ = 2101200938953 is a prime.

It is not a weakly prime, because it can be changed into another prime (2101201201027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050600600548 + 1050600600549.

It is an arithmetic number, because the mean of its divisors is an integer number (1050600600549).

Almost surely, 2^{2101201201097} is an apocalyptic number.

It is an amenable number.

2101201201097 is a deficient number, since it is larger than the sum of its proper divisors (1).

2101201201097 is an equidigital number, since it uses as much as digits as its factorization.

2101201201097 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.

The spelling of 2101201201097 in words is "two trillion, one hundred one billion, two hundred one million, two hundred one thousand, ninety-seven".