103222021 has 4 divisors (see below), whose sum is σ = 117968032. Its totient is φ = 88476012.

The previous prime is 103221967. The next prime is 103222027. The reversal of 103222021 is 120222301.

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 103222021 - 2¹⁹ = 102697733 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 103221992 and 103222010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103222027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7372995 + ... + 7373008.

It is an arithmetic number, because the mean of its divisors is an integer number (29492008).

Almost surely, 2^103222021 is an apocalyptic number.

It is an amenable number.

103222021 is a deficient number, since it is larger than the sum of its proper divisors (14746011).

103222021 is an equidigital number, since it uses as much as digits as its factorization.

103222021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14746010.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 103222021 is about 10159.8238665835. The cubic root of 103222021 is about 469.0913802148.

Adding to 103222021 its reverse (120222301), we get a palindrome (223444322).

The spelling of 103222021 in words is "one hundred three million, two hundred twenty-two thousand, twenty-one".