103020220221 has 8 divisors (see below), whose sum is σ = 137370532224. Its totient is φ = 68675027520.

The previous prime is 103020220151. The next prime is 103020220243. The reversal of 103020220221 is 122022020301.

It is a happy number.

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

It is not a de Polignac number, because 103020220221 - 2¹⁸ = 103019958077 is a prime.

It is a super-2 number, since 2×103020220221² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 103020220221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103020220291) 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, 1232620 + ... + 1313541.

It is an arithmetic number, because the mean of its divisors is an integer number (17171316528).

Almost surely, 2^103020220221 is an apocalyptic number.

It is an amenable number.

103020220221 is a deficient number, since it is larger than the sum of its proper divisors (34350312003).

103020220221 is a wasteful number, since it uses less digits than its factorization.

103020220221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2559651.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 103020220221 its reverse (122022020301), we get a palindrome (225042240522).

The spelling of 103020220221 in words is "one hundred three billion, twenty million, two hundred twenty thousand, two hundred twenty-one".