201020222021131 has 2 divisors, whose sum is σ = 201020222021132. Its totient is φ = 201020222021130.

The previous prime is 201020222021117. The next prime is 201020222021167. The reversal of 201020222021131 is 131120222020102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201020222021131 - 2⁹ = 201020222020619 is a prime.

It is a super-2 number, since 2×201020222021131² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 201020222021099 and 201020222021108.

It is not a weakly prime, because it can be changed into another prime (201020222025131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100510111010565 + 100510111010566.

It is an arithmetic number, because the mean of its divisors is an integer number (100510111010566).

Almost surely, 2^{201020222021131} is an apocalyptic number.

201020222021131 is a deficient number, since it is larger than the sum of its proper divisors (1).

201020222021131 is an equidigital number, since it uses as much as digits as its factorization.

201020222021131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 201020222021131 its reverse (131120222020102), we get a palindrome (332140444041233).

The spelling of 201020222021131 in words is "two hundred one trillion, twenty billion, two hundred twenty-two million, twenty-one thousand, one hundred thirty-one".