105210221133287 has 2 divisors, whose sum is σ = 105210221133288. Its totient is φ = 105210221133286.

The previous prime is 105210221133049. The next prime is 105210221133421. The reversal of 105210221133287 is 782331122012501.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105210221133287 is a prime.

It is a super-2 number, since 2×105210221133287² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105210221133287.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105210221138287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52605110566643 + 52605110566644.

It is an arithmetic number, because the mean of its divisors is an integer number (52605110566644).

Almost surely, 2^{105210221133287} is an apocalyptic number.

105210221133287 is a deficient number, since it is larger than the sum of its proper divisors (1).

105210221133287 is an equidigital number, since it uses as much as digits as its factorization.

105210221133287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 38.

Adding to 105210221133287 its reverse (782331122012501), we get a palindrome (887541343145788).

The spelling of 105210221133287 in words is "one hundred five trillion, two hundred ten billion, two hundred twenty-one million, one hundred thirty-three thousand, two hundred eighty-seven".