202121201013133 has 2 divisors, whose sum is σ = 202121201013134. Its totient is φ = 202121201013132.

The previous prime is 202121201013101. The next prime is 202121201013139. The reversal of 202121201013133 is 331310102121202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 113920891197129 + 88200309816004 = 10673373^2 + 9391502^2 .

It is a cyclic number.

It is not a de Polignac number, because 202121201013133 - 2⁵ = 202121201013101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202121201013139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101060600506566 + 101060600506567.

It is an arithmetic number, because the mean of its divisors is an integer number (101060600506567).

Almost surely, 2^{202121201013133} is an apocalyptic number.

It is an amenable number.

202121201013133 is a deficient number, since it is larger than the sum of its proper divisors (1).

202121201013133 is an equidigital number, since it uses as much as digits as its factorization.

202121201013133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 202121201013133 its reverse (331310102121202), we get a palindrome (533431303134335).

The spelling of 202121201013133 in words is "two hundred two trillion, one hundred twenty-one billion, two hundred one million, thirteen thousand, one hundred thirty-three".