103310123301221 has 4 divisors (see below), whose sum is σ = 105259370910732. Its totient is φ = 101360875691712.

The previous prime is 103310123301179. The next prime is 103310123301293. The reversal of 103310123301221 is 122103321013301.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 56872563132100 + 46437560169121 = 7541390^2 + 6814511^2 .

It is a cyclic number.

It is not a de Polignac number, because 103310123301221 - 2¹⁸ = 103310123039077 is a prime.

It is a super-2 number, since 2×103310123301221² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103310123300221) 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, 974623804676 + ... + 974623804781.

It is an arithmetic number, because the mean of its divisors is an integer number (26314842727683).

Almost surely, 2^{103310123301221} is an apocalyptic number.

It is an amenable number.

103310123301221 is a deficient number, since it is larger than the sum of its proper divisors (1949247609511).

103310123301221 is an equidigital number, since it uses as much as digits as its factorization.

103310123301221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1949247609510.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 103310123301221 its reverse (122103321013301), we get a palindrome (225413444314522).

The spelling of 103310123301221 in words is "one hundred three trillion, three hundred ten billion, one hundred twenty-three million, three hundred one thousand, two hundred twenty-one".