11220212403 has 24 divisors (see below), whose sum is σ = 16396320512. Its totient is φ = 7393035888.

The previous prime is 11220212401. The next prime is 11220212407. The reversal of 11220212403 is 30421202211.

It is a happy number.

It is not a de Polignac number, because 11220212403 - 2¹ = 11220212401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11220212401) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 473250 + ... + 496392.

Almost surely, 2^11220212403 is an apocalyptic number.

11220212403 is a deficient number, since it is larger than the sum of its proper divisors (5176108109).

11220212403 is a wasteful number, since it uses less digits than its factorization.

11220212403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23775 (or 23772 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 11220212403 its reverse (30421202211), we get a palindrome (41641414614).

The spelling of 11220212403 in words is "eleven billion, two hundred twenty million, two hundred twelve thousand, four hundred three".