103200012221 has 4 divisors (see below), whose sum is σ = 103283847744. Its totient is φ = 103116176700.

The previous prime is 103200012197. The next prime is 103200012233. The reversal of 103200012221 is 122210002301.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 103200012221 - 2¹⁰ = 103200011197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103200012196 and 103200012205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103200011221) 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, 41915915 + ... + 41918376.

It is an arithmetic number, because the mean of its divisors is an integer number (25820961936).

Almost surely, 2^103200012221 is an apocalyptic number.

It is an amenable number.

103200012221 is a deficient number, since it is larger than the sum of its proper divisors (83835523).

103200012221 is an equidigital number, since it uses as much as digits as its factorization.

103200012221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83835522.

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

Adding to 103200012221 its reverse (122210002301), we get a palindrome (225410014522).

The spelling of 103200012221 in words is "one hundred three billion, two hundred million, twelve thousand, two hundred twenty-one".