11223021072 has 40 divisors (see below), whose sum is σ = 29468104000. Its totient is φ = 3679678080.

The previous prime is 11223021071. The next prime is 11223021163. The reversal of 11223021072 is 27012032211.

It is not an unprimeable number, because it can be changed into a prime (11223021071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1913572 + ... + 1919427.

It is an arithmetic number, because the mean of its divisors is an integer number (736702600).

Almost surely, 2^11223021072 is an apocalyptic number.

11223021072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11223021072 is an abundant number, since it is smaller than the sum of its proper divisors (18245082928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11223021072 is a wasteful number, since it uses less digits than its factorization.

11223021072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3833071 (or 3833065 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 21.

Adding to 11223021072 its reverse (27012032211), we get a palindrome (38235053283).

The spelling of 11223021072 in words is "eleven billion, two hundred twenty-three million, twenty-one thousand, seventy-two".