221101201013 has 24 divisors (see below), whose sum is σ = 278215971264. Its totient is φ = 171995725440.

The previous prime is 221101200989. The next prime is 221101201019. The reversal of 221101201013 is 310102101122.

It is not a de Polignac number, because 221101201013 - 2¹⁶ = 221101135477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221101201019) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 282170 + ... + 722372.

It is an arithmetic number, because the mean of its divisors is an integer number (11592332136).

Almost surely, 2^221101201013 is an apocalyptic number.

It is an amenable number.

221101201013 is a deficient number, since it is larger than the sum of its proper divisors (57114770251).

221101201013 is a wasteful number, since it uses less digits than its factorization.

221101201013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440825 (or 440814 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 221101201013 its reverse (310102101122), we get a palindrome (531203302135).

The spelling of 221101201013 in words is "two hundred twenty-one billion, one hundred one million, two hundred one thousand, thirteen".