221021113414103 has 4 divisors (see below), whose sum is σ = 221040002504808. Its totient is φ = 221002224323400.

The previous prime is 221021113414067. The next prime is 221021113414159. The reversal of 221021113414103 is 301414311120122.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 221021113414103 - 2⁶ = 221021113414039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221021113434103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9444527801 + ... + 9444551202.

It is an arithmetic number, because the mean of its divisors is an integer number (55260000626202).

Almost surely, 2^{221021113414103} is an apocalyptic number.

221021113414103 is a deficient number, since it is larger than the sum of its proper divisors (18889090705).

221021113414103 is a wasteful number, since it uses less digits than its factorization.

221021113414103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18889090704.

The product of its (nonzero) digits is 1152, while the sum is 26.

Adding to 221021113414103 its reverse (301414311120122), we get a palindrome (522435424534225).

The spelling of 221021113414103 in words is "two hundred twenty-one trillion, twenty-one billion, one hundred thirteen million, four hundred fourteen thousand, one hundred three".