1102100047 has 2 divisors, whose sum is σ = 1102100048. Its totient is φ = 1102100046.

The previous prime is 1102100033. The next prime is 1102100057. The reversal of 1102100047 is 7400012011.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1102100047 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1102100047.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1102100017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551050023 + 551050024.

It is an arithmetic number, because the mean of its divisors is an integer number (551050024).

Almost surely, 2^1102100047 is an apocalyptic number.

1102100047 is a deficient number, since it is larger than the sum of its proper divisors (1).

1102100047 is an equidigital number, since it uses as much as digits as its factorization.

1102100047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56, while the sum is 16.

The square root of 1102100047 is about 33197.8922071869. The cubic root of 1102100047 is about 1032.9366180799.

Adding to 1102100047 its reverse (7400012011), we get a palindrome (8502112058).

The spelling of 1102100047 in words is "one billion, one hundred two million, one hundred thousand, forty-seven".