101321022487 has 2 divisors, whose sum is σ = 101321022488. Its totient is φ = 101321022486.

The previous prime is 101321022433. The next prime is 101321022599. The reversal of 101321022487 is 784220123101.

It is a weak prime.

It is an emirp because it is prime and its reverse (784220123101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 101321022487 - 2¹⁹ = 101320498199 is a prime.

It is a super-2 number, since 2×101321022487² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101321022287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50660511243 + 50660511244.

It is an arithmetic number, because the mean of its divisors is an integer number (50660511244).

Almost surely, 2^101321022487 is an apocalyptic number.

101321022487 is a deficient number, since it is larger than the sum of its proper divisors (1).

101321022487 is an equidigital number, since it uses as much as digits as its factorization.

101321022487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5376, while the sum is 31.

Adding to 101321022487 its reverse (784220123101), we get a palindrome (885541145588).

The spelling of 101321022487 in words is "one hundred one billion, three hundred twenty-one million, twenty-two thousand, four hundred eighty-seven".