11121222748 has 6 divisors (see below), whose sum is σ = 19462139816. Its totient is φ = 5560611372.

The previous prime is 11121222743. The next prime is 11121222859. The reversal of 11121222748 is 84722212111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11121222743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1390152840 + ... + 1390152847.

Almost surely, 2^11121222748 is an apocalyptic number.

It is an amenable number.

11121222748 is a deficient number, since it is larger than the sum of its proper divisors (8340917068).

11121222748 is a wasteful number, since it uses less digits than its factorization.

11121222748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2780305691 (or 2780305689 counting only the distinct ones).

The product of its digits is 3584, while the sum is 31.

Adding to 11121222748 its reverse (84722212111), we get a palindrome (95843434859).

The spelling of 11121222748 in words is "eleven billion, one hundred twenty-one million, two hundred twenty-two thousand, seven hundred forty-eight".