2011203197 has 2 divisors, whose sum is σ = 2011203198. Its totient is φ = 2011203196.

The previous prime is 2011203149. The next prime is 2011203239. The reversal of 2011203197 is 7913021102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1938288676 + 72914521 = 44026^2 + 8539^2 .

It is a cyclic number.

It is not a de Polignac number, because 2011203197 - 2⁶ = 2011203133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2011203107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005601598 + 1005601599.

It is an arithmetic number, because the mean of its divisors is an integer number (1005601599).

Almost surely, 2^2011203197 is an apocalyptic number.

It is an amenable number.

2011203197 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011203197 is an equidigital number, since it uses as much as digits as its factorization.

2011203197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 26.

The square root of 2011203197 is about 44846.4401820256. The cubic root of 2011203197 is about 1262.2691948368.

Adding to 2011203197 its reverse (7913021102), we get a palindrome (9924224299).

The spelling of 2011203197 in words is "two billion, eleven million, two hundred three thousand, one hundred ninety-seven".