212102122010131 has 2 divisors, whose sum is σ = 212102122010132. Its totient is φ = 212102122010130.

The previous prime is 212102122010071. The next prime is 212102122010167. The reversal of 212102122010131 is 131010221201212.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212102122010131 is a prime.

It is a super-2 number, since 2×212102122010131² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212102122010099 and 212102122010108.

It is not a weakly prime, because it can be changed into another prime (212102122010231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106051061005065 + 106051061005066.

It is an arithmetic number, because the mean of its divisors is an integer number (106051061005066).

Almost surely, 2^{212102122010131} is an apocalyptic number.

212102122010131 is a deficient number, since it is larger than the sum of its proper divisors (1).

212102122010131 is an equidigital number, since it uses as much as digits as its factorization.

212102122010131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 212102122010131 its reverse (131010221201212), we get a palindrome (343112343211343).

The spelling of 212102122010131 in words is "two hundred twelve trillion, one hundred two billion, one hundred twenty-two million, ten thousand, one hundred thirty-one".