101221534654223 has 2 divisors, whose sum is σ = 101221534654224. Its totient is φ = 101221534654222.

The previous prime is 101221534654139. The next prime is 101221534654237. The reversal of 101221534654223 is 322456435122101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 101221534654223 - 2¹⁰ = 101221534653199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101221534254223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50610767327111 + 50610767327112.

It is an arithmetic number, because the mean of its divisors is an integer number (50610767327112).

Almost surely, 2^{101221534654223} is an apocalyptic number.

101221534654223 is a deficient number, since it is larger than the sum of its proper divisors (1).

101221534654223 is an equidigital number, since it uses as much as digits as its factorization.

101221534654223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 345600, while the sum is 41.

Adding to 101221534654223 its reverse (322456435122101), we get a palindrome (423677969776324).

The spelling of 101221534654223 in words is "one hundred one trillion, two hundred twenty-one billion, five hundred thirty-four million, six hundred fifty-four thousand, two hundred twenty-three".