103003221221 has 8 divisors (see below), whose sum is σ = 109131333120. Its totient is φ = 96882787008.

The previous prime is 103003221199. The next prime is 103003221259. The reversal of 103003221221 is 122122300301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 103003221221 - 2¹⁰ = 103003220197 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 103003221221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103003221421) 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, 1891781 + ... + 1945466.

It is an arithmetic number, because the mean of its divisors is an integer number (13641416640).

Almost surely, 2^103003221221 is an apocalyptic number.

It is an amenable number.

103003221221 is a deficient number, since it is larger than the sum of its proper divisors (6128111899).

103003221221 is a wasteful number, since it uses less digits than its factorization.

103003221221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3838843.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 103003221221 its reverse (122122300301), we get a palindrome (225125521522).

The spelling of 103003221221 in words is "one hundred three billion, three million, two hundred twenty-one thousand, two hundred twenty-one".