210201221202131 has 2 divisors, whose sum is σ = 210201221202132. Its totient is φ = 210201221202130.

The previous prime is 210201221202103. The next prime is 210201221202187. The reversal of 210201221202131 is 131202122102012.

210201221202131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 210201221202131 - 2⁶ = 210201221202067 is a prime.

It is a super-2 number, since 2×210201221202131² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (210201211202131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105100610601065 + 105100610601066.

It is an arithmetic number, because the mean of its divisors is an integer number (105100610601066).

Almost surely, 2^{210201221202131} is an apocalyptic number.

210201221202131 is a deficient number, since it is larger than the sum of its proper divisors (1).

210201221202131 is an equidigital number, since it uses as much as digits as its factorization.

210201221202131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 210201221202131 its reverse (131202122102012), we get a palindrome (341403343304143).

The spelling of 210201221202131 in words is "two hundred ten trillion, two hundred one billion, two hundred twenty-one million, two hundred two thousand, one hundred thirty-one".