103221121213 has 8 divisors (see below), whose sum is σ = 120710414528. Its totient is φ = 86417682624.

The previous prime is 103221121207. The next prime is 103221121249. The reversal of 103221121213 is 312121122301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 103221121213 - 2⁵ = 103221121181 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 (103221121253) 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, 171463356 + ... + 171463957.

It is an arithmetic number, because the mean of its divisors is an integer number (15088801816).

Almost surely, 2^103221121213 is an apocalyptic number.

It is an amenable number.

103221121213 is a deficient number, since it is larger than the sum of its proper divisors (17489293315).

103221121213 is an equidigital number, since it uses as much as digits as its factorization.

103221121213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342927363.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 103221121213 its reverse (312121122301), we get a palindrome (415342243514).

The spelling of 103221121213 in words is "one hundred three billion, two hundred twenty-one million, one hundred twenty-one thousand, two hundred thirteen".