2203121191 has 2 divisors, whose sum is σ = 2203121192. Its totient is φ = 2203121190.

The previous prime is 2203121131. The next prime is 2203121243. The reversal of 2203121191 is 1911213022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2203121191 - 2¹³ = 2203112999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2203121131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1101560595 + 1101560596.

It is an arithmetic number, because the mean of its divisors is an integer number (1101560596).

Almost surely, 2^2203121191 is an apocalyptic number.

2203121191 is a deficient number, since it is larger than the sum of its proper divisors (1).

2203121191 is an equidigital number, since it uses as much as digits as its factorization.

2203121191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 2203121191 is about 46937.4178135099. The cubic root of 2203121191 is about 1301.2062159592.

The spelling of 2203121191 in words is "two billion, two hundred three million, one hundred twenty-one thousand, one hundred ninety-one".