221301122103 has 12 divisors (see below), whose sum is σ = 319661881968. Its totient is φ = 147531909600.

The previous prime is 221301122087. The next prime is 221301122113. The reversal of 221301122103 is 301221103122.

It is not a de Polignac number, because 221301122103 - 2⁴ = 221301122087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221301122113) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 679878 + ... + 951228.

It is an arithmetic number, because the mean of its divisors is an integer number (26638490164).

Almost surely, 2^221301122103 is an apocalyptic number.

221301122103 is a deficient number, since it is larger than the sum of its proper divisors (98360759865).

221301122103 is a wasteful number, since it uses less digits than its factorization.

221301122103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361974 (or 361971 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 221301122103 its reverse (301221103122), we get a palindrome (522522225225).

The spelling of 221301122103 in words is "two hundred twenty-one billion, three hundred one million, one hundred twenty-two thousand, one hundred three".