101221313023 has 8 divisors (see below), whose sum is σ = 101967151760. Its totient is φ = 100476754560.

The previous prime is 101221313003. The next prime is 101221313047. The reversal of 101221313023 is 320313122101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 101221313023 - 2³³ = 92631378431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101221313003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161073 + ... + 477898.

It is an arithmetic number, because the mean of its divisors is an integer number (12745893970).

Almost surely, 2^101221313023 is an apocalyptic number.

101221313023 is a deficient number, since it is larger than the sum of its proper divisors (745838737).

101221313023 is a wasteful number, since it uses less digits than its factorization.

101221313023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640137.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 101221313023 its reverse (320313122101), we get a palindrome (421534435124).

The spelling of 101221313023 in words is "one hundred one billion, two hundred twenty-one million, three hundred thirteen thousand, twenty-three".