11002120447 has 2 divisors, whose sum is σ = 11002120448. Its totient is φ = 11002120446.

The previous prime is 11002120439. The next prime is 11002120471. The reversal of 11002120447 is 74402120011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11002120447 - 2³ = 11002120439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11002120147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5501060223 + 5501060224.

It is an arithmetic number, because the mean of its divisors is an integer number (5501060224).

Almost surely, 2^11002120447 is an apocalyptic number.

11002120447 is a deficient number, since it is larger than the sum of its proper divisors (1).

11002120447 is an equidigital number, since it uses as much as digits as its factorization.

11002120447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 22.

Adding to 11002120447 its reverse (74402120011), we get a palindrome (85404240458).

The spelling of 11002120447 in words is "eleven billion, two million, one hundred twenty thousand, four hundred forty-seven".