11223021002 has 16 divisors (see below), whose sum is σ = 17853909192. Its totient is φ = 5272796160.

The previous prime is 11223020971. The next prime is 11223021037. The reversal of 11223021002 is 20012032211.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6258550321 + 4964470681 = 79111^2 + 70459^2 .

It is a super-2 number, since 2×11223021002² (a number of 21 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 248399 + ... + 290082.

Almost surely, 2^11223021002 is an apocalyptic number.

11223021002 is a deficient number, since it is larger than the sum of its proper divisors (6630888190).

11223021002 is a wasteful number, since it uses less digits than its factorization.

11223021002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539113.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 11223021002 its reverse (20012032211), we get a palindrome (31235053213).

The spelling of 11223021002 in words is "eleven billion, two hundred twenty-three million, twenty-one thousand, two".