11221421241 has 8 divisors (see below), whose sum is σ = 15326819424. Its totient is φ = 7298485280.

The previous prime is 11221421219. The next prime is 11221421249. The reversal of 11221421241 is 14212412211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11221421241 - 2⁵ = 11221421209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11221421249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45615411 + ... + 45615656.

It is an arithmetic number, because the mean of its divisors is an integer number (1915852428).

Almost surely, 2^11221421241 is an apocalyptic number.

It is an amenable number.

11221421241 is a deficient number, since it is larger than the sum of its proper divisors (4105398183).

11221421241 is an equidigital number, since it uses as much as digits as its factorization.

11221421241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91231111.

The product of its digits is 256, while the sum is 21.

Adding to 11221421241 its reverse (14212412211), we get a palindrome (25433833452).

The spelling of 11221421241 in words is "eleven billion, two hundred twenty-one million, four hundred twenty-one thousand, two hundred forty-one".