1131022051 has 2 divisors, whose sum is σ = 1131022052. Its totient is φ = 1131022050.

The previous prime is 1131022027. The next prime is 1131022111. The reversal of 1131022051 is 1502201311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1131022051 - 2¹¹ = 1131020003 is a prime.

It is not a weakly prime, because it can be changed into another prime (1131022001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565511025 + 565511026.

It is an arithmetic number, because the mean of its divisors is an integer number (565511026).

Almost surely, 2^1131022051 is an apocalyptic number.

1131022051 is a deficient number, since it is larger than the sum of its proper divisors (1).

1131022051 is an equidigital number, since it uses as much as digits as its factorization.

1131022051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 1131022051 is about 33630.6712838147. The cubic root of 1131022051 is about 1041.8943687337.

Adding to 1131022051 its reverse (1502201311), we get a palindrome (2633223362).

The spelling of 1131022051 in words is "one billion, one hundred thirty-one million, twenty-two thousand, fifty-one".