11202220450 has 96 divisors (see below), whose sum is σ = 23070666240. Its totient is φ = 4030041600.

The previous prime is 11202220417. The next prime is 11202220451. The reversal of 11202220450 is 5402220211.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (11202220451) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1557262 + ... + 1564438.

It is an arithmetic number, because the mean of its divisors is an integer number (240319440).

Almost surely, 2^11202220450 is an apocalyptic number.

11202220450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11202220450 is an abundant number, since it is smaller than the sum of its proper divisors (11868445790).

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

11202220450 is a wasteful number, since it uses less digits than its factorization.

11202220450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7292 (or 7287 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

Adding to 11202220450 its reverse (5402220211), we get a palindrome (16604440661).

The spelling of 11202220450 in words is "eleven billion, two hundred two million, two hundred twenty thousand, four hundred fifty".