122103221 has 4 divisors (see below), whose sum is σ = 122365152. Its totient is φ = 121841292.

The previous prime is 122103199. The next prime is 122103257. The reversal of 122103221 is 122301221.

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 a de Polignac number, because none of the positive numbers 2^k-122103221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122103196 and 122103205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122103521) 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, 130265 + ... + 131198.

It is an arithmetic number, because the mean of its divisors is an integer number (30591288).

Almost surely, 2^122103221 is an apocalyptic number.

It is an amenable number.

122103221 is a deficient number, since it is larger than the sum of its proper divisors (261931).

122103221 is an equidigital number, since it uses as much as digits as its factorization.

122103221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261930.

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

The square root of 122103221 is about 11050.0326243862. The cubic root of 122103221 is about 496.1074020042.

Adding to 122103221 its reverse (122301221), we get a palindrome (244404442).

The spelling of 122103221 in words is "one hundred twenty-two million, one hundred three thousand, two hundred twenty-one".