221230334103202 has 4 divisors (see below), whose sum is σ = 331845501154806. Its totient is φ = 110615167051600.

The previous prime is 221230334103199. The next prime is 221230334103203. The reversal of 221230334103202 is 202301433032122.

221230334103202 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., 193071275110081 + 28159058993121 = 13895009^2 + 5306511^2 .

It is not an unprimeable number, because it can be changed into a prime (221230334103203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55307583525799 + ... + 55307583525802.

Almost surely, 2^{221230334103202} is an apocalyptic number.

221230334103202 is a deficient number, since it is larger than the sum of its proper divisors (110615167051604).

221230334103202 is a wasteful number, since it uses less digits than its factorization.

221230334103202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110615167051603.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 221230334103202 its reverse (202301433032122), we get a palindrome (423531767135324).

The spelling of 221230334103202 in words is "two hundred twenty-one trillion, two hundred thirty billion, three hundred thirty-four million, one hundred three thousand, two hundred two".