101310221321 has 8 divisors (see below), whose sum is σ = 101761492800. Its totient is φ = 100859450832.

The previous prime is 101310221291. The next prime is 101310221339. The reversal of 101310221321 is 123122013101.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101310221321 is a prime.

It is a super-2 number, since 2×101310221321² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 101310221321.

It is not an unprimeable number, because it can be changed into a prime (101310227321) 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, 283046 + ... + 531728.

It is an arithmetic number, because the mean of its divisors is an integer number (12720186600).

Almost surely, 2^101310221321 is an apocalyptic number.

It is an amenable number.

101310221321 is a deficient number, since it is larger than the sum of its proper divisors (451271479).

101310221321 is a wasteful number, since it uses less digits than its factorization.

101310221321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250495.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 101310221321 its reverse (123122013101), we get a palindrome (224432234422).

The spelling of 101310221321 in words is "one hundred one billion, three hundred ten million, two hundred twenty-one thousand, three hundred twenty-one".