1102100243 has 2 divisors, whose sum is σ = 1102100244. Its totient is φ = 1102100242.

The previous prime is 1102100171. The next prime is 1102100257. The reversal of 1102100243 is 3420012011.

It is an a-pointer prime, because the next prime (1102100257) can be obtained adding 1102100243 to its sum of digits (14).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1102100243 - 2²⁰ = 1101051667 is a prime.

It is not a weakly prime, because it can be changed into another prime (1102100143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551050121 + 551050122.

It is an arithmetic number, because the mean of its divisors is an integer number (551050122).

Almost surely, 2^1102100243 is an apocalyptic number.

1102100243 is a deficient number, since it is larger than the sum of its proper divisors (1).

1102100243 is an equidigital number, since it uses as much as digits as its factorization.

1102100243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1102100243 is about 33197.8951591814. The cubic root of 1102100243 is about 1032.9366793132.

Adding to 1102100243 its reverse (3420012011), we get a palindrome (4522112254).

The spelling of 1102100243 in words is "one billion, one hundred two million, one hundred thousand, two hundred forty-three".