202120101301 has 4 divisors (see below), whose sum is σ = 205933688172. Its totient is φ = 198306514432.

The previous prime is 202120101251. The next prime is 202120101341. The reversal of 202120101301 is 103101021202.

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 59121922500 + 142998178801 = 243150^2 + 378151^2 .

It is a cyclic number.

It is not a de Polignac number, because 202120101301 - 2⁷ = 202120101173 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 (202120101341) 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, 1906793356 + ... + 1906793461.

It is an arithmetic number, because the mean of its divisors is an integer number (51483422043).

Almost surely, 2^202120101301 is an apocalyptic number.

It is an amenable number.

202120101301 is a deficient number, since it is larger than the sum of its proper divisors (3813586871).

202120101301 is an equidigital number, since it uses as much as digits as its factorization.

202120101301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3813586870.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 202120101301 its reverse (103101021202), we get a palindrome (305221122503).

The spelling of 202120101301 in words is "two hundred two billion, one hundred twenty million, one hundred one thousand, three hundred one".