102030103201 has 4 divisors (see below), whose sum is σ = 109878572692. Its totient is φ = 94181633712.

The previous prime is 102030103193. The next prime is 102030103213. The reversal of 102030103201 is 102301030201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 102301030201 = 53 ⋅1930208117.

It can be written as a sum of positive squares in 2 ways, for example, as 14281445025 + 87748658176 = 119505^2 + 296224^2 .

It is a cyclic number.

It is not a de Polignac number, because 102030103201 - 2³ = 102030103193 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13), and also a Moran number because the ratio is a prime number: 7848469477 = 102030103201 / (1 + 0 + 2 + 0 + 3 + 0 + 1 + 0 + 3 + 2 + 0 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102030103261) 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, 3924234726 + ... + 3924234751.

It is an arithmetic number, because the mean of its divisors is an integer number (27469643173).

Almost surely, 2^102030103201 is an apocalyptic number.

It is an amenable number.

102030103201 is a deficient number, since it is larger than the sum of its proper divisors (7848469491).

102030103201 is an equidigital number, since it uses as much as digits as its factorization.

102030103201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7848469490.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 102030103201 its reverse (102301030201), we get a palindrome (204331133402).

The spelling of 102030103201 in words is "one hundred two billion, thirty million, one hundred three thousand, two hundred one".