11241421273 has 2 divisors, whose sum is σ = 11241421274. Its totient is φ = 11241421272.

The previous prime is 11241421271. The next prime is 11241421357. The reversal of 11241421273 is 37212414211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7897343689 + 3344077584 = 88867^2 + 57828^2 .

It is a cyclic number.

It is not a de Polignac number, because 11241421273 - 2¹ = 11241421271 is a prime.

Together with 11241421271, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (11241421271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5620710636 + 5620710637.

It is an arithmetic number, because the mean of its divisors is an integer number (5620710637).

Almost surely, 2^11241421273 is an apocalyptic number.

It is an amenable number.

11241421273 is a deficient number, since it is larger than the sum of its proper divisors (1).

11241421273 is an equidigital number, since it uses as much as digits as its factorization.

11241421273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2688, while the sum is 28.

Adding to 11241421273 its reverse (37212414211), we get a palindrome (48453835484).

The spelling of 11241421273 in words is "eleven billion, two hundred forty-one million, four hundred twenty-one thousand, two hundred seventy-three".