1101212663 has 2 divisors, whose sum is σ = 1101212664. Its totient is φ = 1101212662.

The previous prime is 1101212657. The next prime is 1101212683. The reversal of 1101212663 is 3662121011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1101212663 - 2⁸ = 1101212407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1101212633) 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, 550606331 + 550606332.

It is an arithmetic number, because the mean of its divisors is an integer number (550606332).

Almost surely, 2^1101212663 is an apocalyptic number.

1101212663 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101212663 is an equidigital number, since it uses as much as digits as its factorization.

1101212663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 1101212663 is about 33184.5244504121. The cubic root of 1101212663 is about 1032.6593118736.

Adding to 1101212663 its reverse (3662121011), we get a palindrome (4763333674).

The spelling of 1101212663 in words is "one billion, one hundred one million, two hundred twelve thousand, six hundred sixty-three".