103220100221 has 8 divisors (see below), whose sum is σ = 120709220544. Its totient is φ = 86416827840.

The previous prime is 103220100197. The next prime is 103220100227. The reversal of 103220100221 is 122001022301.

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 103220100221 - 2²² = 103215905917 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 103220100196 and 103220100205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103220100227) 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, 171461660 + ... + 171462261.

It is an arithmetic number, because the mean of its divisors is an integer number (15088652568).

Almost surely, 2^103220100221 is an apocalyptic number.

It is an amenable number.

103220100221 is a deficient number, since it is larger than the sum of its proper divisors (17489120323).

103220100221 is an equidigital number, since it uses as much as digits as its factorization.

103220100221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342923971.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 103220100221 its reverse (122001022301), we get a palindrome (225221122522).

The spelling of 103220100221 in words is "one hundred three billion, two hundred twenty million, one hundred thousand, two hundred twenty-one".