202101300061 has 2 divisors, whose sum is σ = 202101300062. Its totient is φ = 202101300060.

The previous prime is 202101300059. The next prime is 202101300077. The reversal of 202101300061 is 160003101202.

It is an a-pointer prime, because the next prime (202101300077) can be obtained adding 202101300061 to its sum of digits (16).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 172541375161 + 29559924900 = 415381^2 + 171930^2 .

It is a cyclic number.

It is not a de Polignac number, because 202101300061 - 2¹ = 202101300059 is a prime.

Together with 202101300059, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202101700061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101050650030 + 101050650031.

It is an arithmetic number, because the mean of its divisors is an integer number (101050650031).

Almost surely, 2^202101300061 is an apocalyptic number.

It is an amenable number.

202101300061 is a deficient number, since it is larger than the sum of its proper divisors (1).

202101300061 is an equidigital number, since it uses as much as digits as its factorization.

202101300061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 202101300061 its reverse (160003101202), we get a palindrome (362104401263).

The spelling of 202101300061 in words is "two hundred two billion, one hundred one million, three hundred thousand, sixty-one".