1011421163 has 2 divisors, whose sum is σ = 1011421164. Its totient is φ = 1011421162.

The previous prime is 1011421109. The next prime is 1011421181. The reversal of 1011421163 is 3611241101.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1011421163 - 2¹⁶ = 1011355627 is a prime.

It is not a weakly prime, because it can be changed into another prime (1011421193) 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, 505710581 + 505710582.

It is an arithmetic number, because the mean of its divisors is an integer number (505710582).

Almost surely, 2^1011421163 is an apocalyptic number.

1011421163 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011421163 is an equidigital number, since it uses as much as digits as its factorization.

1011421163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 1011421163 is about 31802.8483472786. The cubic root of 1011421163 is about 1003.7926519398.

Adding to 1011421163 its reverse (3611241101), we get a palindrome (4622662264).

The spelling of 1011421163 in words is "one billion, eleven million, four hundred twenty-one thousand, one hundred sixty-three".