1131022201271 has 2 divisors, whose sum is σ = 1131022201272. Its totient is φ = 1131022201270.

The previous prime is 1131022201261. The next prime is 1131022201273. The reversal of 1131022201271 is 1721022201311.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1131022201271 - 2⁶ = 1131022201207 is a prime.

It is a super-2 number, since 2×1131022201271² (a number of 25 digits) contains 22 as substring.

Together with 1131022201273, 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 (1131022201273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565511100635 + 565511100636.

It is an arithmetic number, because the mean of its divisors is an integer number (565511100636).

Almost surely, 2^{1131022201271} is an apocalyptic number.

1131022201271 is a deficient number, since it is larger than the sum of its proper divisors (1).

1131022201271 is an equidigital number, since it uses as much as digits as its factorization.

1131022201271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 23.

Adding to 1131022201271 its reverse (1721022201311), we get a palindrome (2852044402582).

The spelling of 1131022201271 in words is "one trillion, one hundred thirty-one billion, twenty-two million, two hundred one thousand, two hundred seventy-one".