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1011221033 is a prime number
BaseRepresentation
bin111100010001100…
…000001000101001
32121110210100110212
4330101200020221
54032333033113
6244201550505
734026144164
oct7421401051
92543710425
101011221033
11479898369
122427a5435
13131668754
149842cadb
155db9b0a8
hex3c460229

1011221033 has 2 divisors, whose sum is σ = 1011221034. Its totient is φ = 1011221032.

The previous prime is 1011221011. The next prime is 1011221051. The reversal of 1011221033 is 3301221101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 862185769 + 149035264 = 29363^2 + 12208^2 .

It is a cyclic number.

It is not a de Polignac number, because 1011221033 - 212 = 1011216937 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1011220999 and 1011221017.

It is not a weakly prime, because it can be changed into another prime (1011221083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505610516 + 505610517.

It is an arithmetic number, because the mean of its divisors is an integer number (505610517).

Almost surely, 21011221033 is an apocalyptic number.

It is an amenable number.

1011221033 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011221033 is an equidigital number, since it uses as much as digits as its factorization.

1011221033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1011221033 is about 31799.7017753312. The cubic root of 1011221033 is about 1003.7264407240.

Adding to 1011221033 its reverse (3301221101), we get a palindrome (4312442134).

The spelling of 1011221033 in words is "one billion, eleven million, two hundred twenty-one thousand, thirty-three".