1101212163 has 12 divisors (see below), whose sum is σ = 1641951168. Its totient is φ = 710459280.

The previous prime is 1101212159. The next prime is 1101212173. The reversal of 1101212163 is 3612121011.

It is not a de Polignac number, because 1101212163 - 2² = 1101212159 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1101212143) 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 in 11 ways as a sum of consecutive naturals, for example, 1973220 + ... + 1973777.

It is an arithmetic number, because the mean of its divisors is an integer number (136829264).

Almost surely, 2^1101212163 is an apocalyptic number.

1101212163 is a deficient number, since it is larger than the sum of its proper divisors (540739005).

1101212163 is a wasteful number, since it uses less digits than its factorization.

1101212163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3947034 (or 3947031 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 1101212163 is about 33184.5169167791. The cubic root of 1101212163 is about 1032.6591555823.

Adding to 1101212163 its reverse (3612121011), we get a palindrome (4713333174).

The spelling of 1101212163 in words is "one billion, one hundred one million, two hundred twelve thousand, one hundred sixty-three".