101230204400321 has 4 divisors (see below), whose sum is σ = 102126046917252. Its totient is φ = 100334361883392.

The previous prime is 101230204400309. The next prime is 101230204400327. The reversal of 101230204400321 is 123004402032101.

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 25011001210000 + 76219203190321 = 5001100^2 + 8730361^2 .

It is a cyclic number.

It is not a de Polignac number, because 101230204400321 - 2²² = 101230200206017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101230204400327) 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, 447921258296 + ... + 447921258521.

It is an arithmetic number, because the mean of its divisors is an integer number (25531511729313).

Almost surely, 2^{101230204400321} is an apocalyptic number.

It is an amenable number.

101230204400321 is a deficient number, since it is larger than the sum of its proper divisors (895842516931).

101230204400321 is an equidigital number, since it uses as much as digits as its factorization.

101230204400321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 895842516930.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 101230204400321 its reverse (123004402032101), we get a palindrome (224234606432422).

The spelling of 101230204400321 in words is "one hundred one trillion, two hundred thirty billion, two hundred four million, four hundred thousand, three hundred twenty-one".