103220123221 has 8 divisors (see below), whose sum is σ = 105790719384. Its totient is φ = 100652052480.

The previous prime is 103220123219. The next prime is 103220123231. The reversal of 103220123221 is 122321022301.

It can be written as a sum of positive squares in 4 ways, for example, as 342768196 + 102877355025 = 18514^2 + 320745^2 .

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 103220123221 - 2¹ = 103220123219 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 (103220123231) 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, 548460 + ... + 712213.

It is an arithmetic number, because the mean of its divisors is an integer number (13223839923).

Almost surely, 2^103220123221 is an apocalyptic number.

It is an amenable number.

103220123221 is a deficient number, since it is larger than the sum of its proper divisors (2570596163).

103220123221 is a wasteful number, since it uses less digits than its factorization.

103220123221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1262711.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 103220123221 its reverse (122321022301), we get a palindrome (225541145522).

The spelling of 103220123221 in words is "one hundred three billion, two hundred twenty million, one hundred twenty-three thousand, two hundred twenty-one".