101313212221 has 16 divisors (see below), whose sum is σ = 111261548160. Its totient is φ = 91687458240.

The previous prime is 101313212201. The next prime is 101313212249. The reversal of 101313212221 is 122212313101.

It is a cyclic number.

It is not a de Polignac number, because 101313212221 - 2¹⁵ = 101313179453 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 (101313212201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141390 + ... + 471823.

It is an arithmetic number, because the mean of its divisors is an integer number (6953846760).

Almost surely, 2^101313212221 is an apocalyptic number.

It is an amenable number.

101313212221 is a deficient number, since it is larger than the sum of its proper divisors (9948335939).

101313212221 is a wasteful number, since it uses less digits than its factorization.

101313212221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613476.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 101313212221 its reverse (122212313101), we get a palindrome (223525525322).

The spelling of 101313212221 in words is "one hundred one billion, three hundred thirteen million, two hundred twelve thousand, two hundred twenty-one".