221104210330 has 16 divisors (see below), whose sum is σ = 402459350760. Its totient is φ = 87447956992.

The previous prime is 221104210307. The next prime is 221104210331. The reversal of 221104210330 is 33012401122.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 182425514769 + 38678695561 = 427113^2 + 196669^2 .

It is a junction number, because it is equal to n+sod(n) for n = 221104210298 and 221104210307.

It is not an unprimeable number, because it can be changed into a prime (221104210331) 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, 124214959 + ... + 124216738.

Almost surely, 2^221104210330 is an apocalyptic number.

221104210330 is a deficient number, since it is larger than the sum of its proper divisors (181355140430).

221104210330 is a wasteful number, since it uses less digits than its factorization.

221104210330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248431793.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 221104210330 its reverse (33012401122), we get a palindrome (254116611452).

The spelling of 221104210330 in words is "two hundred twenty-one billion, one hundred four million, two hundred ten thousand, three hundred thirty".