1022111047 has 2 divisors, whose sum is σ = 1022111048. Its totient is φ = 1022111046.

The previous prime is 1022110993. The next prime is 1022111081. The reversal of 1022111047 is 7401112201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1022111047 - 2¹⁹ = 1021586759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1022111747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511055523 + 511055524.

It is an arithmetic number, because the mean of its divisors is an integer number (511055524).

Almost surely, 2^1022111047 is an apocalyptic number.

1022111047 is a deficient number, since it is larger than the sum of its proper divisors (1).

1022111047 is an equidigital number, since it uses as much as digits as its factorization.

1022111047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 19.

The square root of 1022111047 is about 31970.4714854192. The cubic root of 1022111047 is about 1007.3166845635.

Adding to 1022111047 its reverse (7401112201), we get a palindrome (8423223248).

The spelling of 1022111047 in words is "one billion, twenty-two million, one hundred eleven thousand, forty-seven".