11222401000 has 64 divisors (see below), whose sum is σ = 26283890880. Its totient is φ = 4484948800.

The previous prime is 11222400997. The next prime is 11222401009. The reversal of 11222401000 is 10422211.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (11222401009) 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 15 ways as a sum of consecutive naturals, for example, 1278627 + ... + 1287373.

It is an arithmetic number, because the mean of its divisors is an integer number (410685795).

Almost surely, 2^11222401000 is an apocalyptic number.

11222401000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11222401000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13141945440).

11222401000 is an abundant number, since it is smaller than the sum of its proper divisors (15061489880).

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

11222401000 is a wasteful number, since it uses less digits than its factorization.

11222401000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10051 (or 10037 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 11222401000 its reverse (10422211), we get a palindrome (11232823211).

The spelling of 11222401000 in words is "eleven billion, two hundred twenty-two million, four hundred one thousand".