1100212247 has 2 divisors, whose sum is σ = 1100212248. Its totient is φ = 1100212246.

The previous prime is 1100212241. The next prime is 1100212249. The reversal of 1100212247 is 7422120011.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1100212247 is a prime.

Together with 1100212249, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1100212241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550106123 + 550106124.

It is an arithmetic number, because the mean of its divisors is an integer number (550106124).

Almost surely, 2^1100212247 is an apocalyptic number.

1100212247 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100212247 is an equidigital number, since it uses as much as digits as its factorization.

1100212247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 1100212247 is about 33169.4474931374. The cubic root of 1100212247 is about 1032.3465046283.

Adding to 1100212247 its reverse (7422120011), we get a palindrome (8522332258).

The spelling of 1100212247 in words is "one billion, one hundred million, two hundred twelve thousand, two hundred forty-seven".