1131122051 has 2 divisors, whose sum is σ = 1131122052. Its totient is φ = 1131122050.

The previous prime is 1131122023. The next prime is 1131122053. The reversal of 1131122051 is 1502211311.

It is a strong prime.

It is an emirp because it is prime and its reverse (1502211311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1131122051 - 2⁶ = 1131121987 is a prime.

It is a super-3 number, since 3×1131122051³ (a number of 28 digits) contains 333 as substring.

Together with 1131122053, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1131122053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565561025 + 565561026.

It is an arithmetic number, because the mean of its divisors is an integer number (565561026).

Almost surely, 2^1131122051 is an apocalyptic number.

1131122051 is a deficient number, since it is larger than the sum of its proper divisors (1).

1131122051 is an equidigital number, since it uses as much as digits as its factorization.

1131122051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60, while the sum is 17.

The square root of 1131122051 is about 33632.1579890438. The cubic root of 1131122051 is about 1041.9250744028.

Adding to 1131122051 its reverse (1502211311), we get a palindrome (2633333362).

The spelling of 1131122051 in words is "one billion, one hundred thirty-one million, one hundred twenty-two thousand, fifty-one".