202120011232301 has 2 divisors, whose sum is σ = 202120011232302. Its totient is φ = 202120011232300.

The previous prime is 202120011232297. The next prime is 202120011232303. The reversal of 202120011232301 is 103232110021202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 134562296809801 + 67557714422500 = 11600099^2 + 8219350^2 .

It is a cyclic number.

It is not a de Polignac number, because 202120011232301 - 2² = 202120011232297 is a prime.

Together with 202120011232303, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202120011232303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101060005616150 + 101060005616151.

It is an arithmetic number, because the mean of its divisors is an integer number (101060005616151).

Almost surely, 2^{202120011232301} is an apocalyptic number.

It is an amenable number.

202120011232301 is a deficient number, since it is larger than the sum of its proper divisors (1).

202120011232301 is an equidigital number, since it uses as much as digits as its factorization.

202120011232301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 202120011232301 its reverse (103232110021202), we get a palindrome (305352121253503).

The spelling of 202120011232301 in words is "two hundred two trillion, one hundred twenty billion, eleven million, two hundred thirty-two thousand, three hundred one".