11421021244 has 12 divisors (see below), whose sum is σ = 20412038304. Its totient is φ = 5589010304.

The previous prime is 11421021233. The next prime is 11421021257. The reversal of 11421021244 is 44212012411.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30374869 + ... + 30375244.

It is an arithmetic number, because the mean of its divisors is an integer number (1701003192).

Almost surely, 2^11421021244 is an apocalyptic number.

It is an amenable number.

11421021244 is a deficient number, since it is larger than the sum of its proper divisors (8991017060).

11421021244 is a wasteful number, since it uses less digits than its factorization.

11421021244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60750164 (or 60750162 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 11421021244 its reverse (44212012411), we get a palindrome (55633033655).

The spelling of 11421021244 in words is "eleven billion, four hundred twenty-one million, twenty-one thousand, two hundred forty-four".