221304101403122 has 4 divisors (see below), whose sum is σ = 331956152104686. Its totient is φ = 110652050701560.

The previous prime is 221304101403089. The next prime is 221304101403131.

It is a happy number.

221304101403122 is nontrivially palindromic in base 10.

221304101403122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 221264762250841 + 39339152281 = 14874971^2 + 198341^2 .

It is a junction number, because it is equal to n+sod(n) for n = 221304101403091 and 221304101403100.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55326025350779 + ... + 55326025350782.

Almost surely, 2^{221304101403122} is an apocalyptic number.

221304101403122 is a deficient number, since it is larger than the sum of its proper divisors (110652050701564).

221304101403122 is a wasteful number, since it uses less digits than its factorization.

221304101403122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110652050701563.

The product of its (nonzero) digits is 2304, while the sum is 26.

It can be divided in two parts, 22130410 and 1403122, that added together give a palindrome (23533532).

The spelling of 221304101403122 in words is "two hundred twenty-one trillion, three hundred four billion, one hundred one million, four hundred three thousand, one hundred twenty-two".