101113201221 has 32 divisors (see below), whose sum is σ = 136748731392. Its totient is φ = 66452520960.

The previous prime is 101113201193. The next prime is 101113201237. The reversal of 101113201221 is 122102311101.

It is not a de Polignac number, because 101113201221 - 2⁶ = 101113201157 is a prime.

It is a super-2 number, since 2×101113201221² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 101113201221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101113201421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30082581 + ... + 30085941.

It is an arithmetic number, because the mean of its divisors is an integer number (4273397856).

Almost surely, 2^101113201221 is an apocalyptic number.

It is an amenable number.

101113201221 is a deficient number, since it is larger than the sum of its proper divisors (35635530171).

101113201221 is a wasteful number, since it uses less digits than its factorization.

101113201221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4013.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 101113201221 its reverse (122102311101), we get a palindrome (223215512322).

The spelling of 101113201221 in words is "one hundred one billion, one hundred thirteen million, two hundred one thousand, two hundred twenty-one".