221114500400 has 30 divisors (see below), whose sum is σ = 531227588172. Its totient is φ = 88445800000.

The previous prime is 221114500393. The next prime is 221114500417. The reversal of 221114500400 is 4005411122.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 276392726 + ... + 276393525.

Almost surely, 2^221114500400 is an apocalyptic number.

221114500400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221114500400 is an abundant number, since it is smaller than the sum of its proper divisors (310113087772).

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

221114500400 is a wasteful number, since it uses less digits than its factorization.

221114500400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552786269 (or 552786258 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

Adding to 221114500400 its reverse (4005411122), we get a palindrome (225119911522).

The spelling of 221114500400 in words is "two hundred twenty-one billion, one hundred fourteen million, five hundred thousand, four hundred".