102120202301 has 4 divisors (see below), whose sum is σ = 109975602492. Its totient is φ = 94264802112.

The previous prime is 102120202273. The next prime is 102120202319. The reversal of 102120202301 is 103202021201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 103202021201 = 4549 ⋅22686749.

It can be written as a sum of positive squares in 2 ways, for example, as 10967535076 + 91152667225 = 104726^2 + 301915^2 .

It is a de Polignac number, because none of the positive numbers 2^k-102120202301 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 (102120202601) 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, 3927700076 + ... + 3927700101.

It is an arithmetic number, because the mean of its divisors is an integer number (27493900623).

Almost surely, 2^102120202301 is an apocalyptic number.

It is an amenable number.

102120202301 is a deficient number, since it is larger than the sum of its proper divisors (7855400191).

102120202301 is an equidigital number, since it uses as much as digits as its factorization.

102120202301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7855400190.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 102120202301 its reverse (103202021201), we get a palindrome (205322223502).

The spelling of 102120202301 in words is "one hundred two billion, one hundred twenty million, two hundred two thousand, three hundred one".