11223231002 has 8 divisors (see below), whose sum is σ = 16947832500. Its totient is φ = 5573953504.

The previous prime is 11223230987. The next prime is 11223231007. The reversal of 11223231002 is 20013232211.

It can be written as a sum of positive squares in 2 ways, for example, as 9911994481 + 1311236521 = 99559^2 + 36211^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (11223231007) 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, 18830627 + ... + 18831222.

Almost surely, 2^11223231002 is an apocalyptic number.

11223231002 is a deficient number, since it is larger than the sum of its proper divisors (5724601498).

11223231002 is a wasteful number, since it uses less digits than its factorization.

11223231002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37662000.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 11223231002 its reverse (20013232211), we get a palindrome (31236463213).

The spelling of 11223231002 in words is "eleven billion, two hundred twenty-three million, two hundred thirty-one thousand, two".