221104012222400 has 84 divisors (see below), whose sum is σ = 544187064222120. Its totient is φ = 88419983692800.

The previous prime is 221104012222363. The next prime is 221104012222501. The reversal of 221104012222400 is 4222210401122.

221104012222400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10343915 + ... + 23435114.

Almost surely, 2^{221104012222400} is an apocalyptic number.

221104012222400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221104012222400 is an abundant number, since it is smaller than the sum of its proper divisors (323083051999720).

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

221104012222400 is a wasteful number, since it uses less digits than its factorization.

221104012222400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33783142 (or 33783127 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 221104012222400 its reverse (4222210401122), we get a palindrome (225326222623522).

The spelling of 221104012222400 in words is "two hundred twenty-one trillion, one hundred four billion, twelve million, two hundred twenty-two thousand, four hundred".