11001421244 has 24 divisors (see below), whose sum is σ = 21050160768. Its totient is φ = 4989349040.

The previous prime is 11001421241. The next prime is 11001421357. The reversal of 11001421244 is 44212410011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11001421241) 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, 262712 + ... + 301695.

It is an arithmetic number, because the mean of its divisors is an integer number (877090032).

Almost surely, 2^11001421244 is an apocalyptic number.

It is an amenable number.

11001421244 is a deficient number, since it is larger than the sum of its proper divisors (10048739524).

11001421244 is a wasteful number, since it uses less digits than its factorization.

11001421244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564865 (or 564863 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 11001421244 its reverse (44212410011), we get a palindrome (55213831255).

The spelling of 11001421244 in words is "eleven billion, one million, four hundred twenty-one thousand, two hundred forty-four".