2201021197 has 2 divisors, whose sum is σ = 2201021198. Its totient is φ = 2201021196.

The previous prime is 2201021191. The next prime is 2201021201. The reversal of 2201021197 is 7911201022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2146098276 + 54922921 = 46326^2 + 7411^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2201021197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2201021191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1100510598 + 1100510599.

It is an arithmetic number, because the mean of its divisors is an integer number (1100510599).

Almost surely, 2^2201021197 is an apocalyptic number.

It is an amenable number.

2201021197 is a deficient number, since it is larger than the sum of its proper divisors (1).

2201021197 is an equidigital number, since it uses as much as digits as its factorization.

2201021197 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 25.

The square root of 2201021197 is about 46915.0423318577. The cubic root of 2201021197 is about 1300.7926520991.

The spelling of 2201021197 in words is "two billion, two hundred one million, twenty-one thousand, one hundred ninety-seven".