103213130221 has 4 divisors (see below), whose sum is σ = 103244231200. Its totient is φ = 103182029244.

The previous prime is 103213130191. The next prime is 103213130231. The reversal of 103213130221 is 122031312301.

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 103213130221 - 2¹³ = 103213122029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103213130231) 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, 15545511 + ... + 15552148.

It is an arithmetic number, because the mean of its divisors is an integer number (25811057800).

Almost surely, 2^103213130221 is an apocalyptic number.

It is an amenable number.

103213130221 is a deficient number, since it is larger than the sum of its proper divisors (31100979).

103213130221 is an equidigital number, since it uses as much as digits as its factorization.

103213130221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31100978.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 103213130221 its reverse (122031312301), we get a palindrome (225244442522).

The spelling of 103213130221 in words is "one hundred three billion, two hundred thirteen million, one hundred thirty thousand, two hundred twenty-one".