1013022191 has 2 divisors, whose sum is σ = 1013022192. Its totient is φ = 1013022190.

The previous prime is 1013022187. The next prime is 1013022193. The reversal of 1013022191 is 1912203101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1013022191 - 2² = 1013022187 is a prime.

Together with 1013022193, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1013022193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506511095 + 506511096.

It is an arithmetic number, because the mean of its divisors is an integer number (506511096).

Almost surely, 2^1013022191 is an apocalyptic number.

1013022191 is a deficient number, since it is larger than the sum of its proper divisors (1).

1013022191 is an equidigital number, since it uses as much as digits as its factorization.

1013022191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 20.

The square root of 1013022191 is about 31828.0095356276. The cubic root of 1013022191 is about 1004.3220235343.

Adding to 1013022191 its reverse (1912203101), we get a palindrome (2925225292).

The spelling of 1013022191 in words is "one billion, thirteen million, twenty-two thousand, one hundred ninety-one".