103201302021 has 4 divisors (see below), whose sum is σ = 137601736032. Its totient is φ = 68800868012.

The previous prime is 103201301977. The next prime is 103201302031. The reversal of 103201302021 is 120203102301.

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 103201302021 - 2³¹ = 101053818373 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103201302031) 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, 17200217001 + ... + 17200217006.

It is an arithmetic number, because the mean of its divisors is an integer number (34400434008).

Almost surely, 2^103201302021 is an apocalyptic number.

It is an amenable number.

103201302021 is a deficient number, since it is larger than the sum of its proper divisors (34400434011).

103201302021 is an equidigital number, since it uses as much as digits as its factorization.

103201302021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34400434010.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 103201302021 its reverse (120203102301), we get a palindrome (223404404322).

The spelling of 103201302021 in words is "one hundred three billion, two hundred one million, three hundred two thousand, twenty-one".