11221142248 has 16 divisors (see below), whose sum is σ = 21053700000. Its totient is φ = 5606822256.

The previous prime is 11221142239. The next prime is 11221142249. The reversal of 11221142248 is 84224112211.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (11221142249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 455868 + ... + 479851.

It is an arithmetic number, because the mean of its divisors is an integer number (1315856250).

Almost surely, 2^11221142248 is an apocalyptic number.

It is an amenable number.

11221142248 is a deficient number, since it is larger than the sum of its proper divisors (9832557752).

11221142248 is a wasteful number, since it uses less digits than its factorization.

11221142248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 937224 (or 937220 counting only the distinct ones).

The product of its digits is 2048, while the sum is 28.

Adding to 11221142248 its reverse (84224112211), we get a palindrome (95445254459).

The spelling of 11221142248 in words is "eleven billion, two hundred twenty-one million, one hundred forty-two thousand, two hundred forty-eight".