221200122211113 has 4 divisors (see below), whose sum is σ = 294933496281488. Its totient is φ = 147466748140740.

The previous prime is 221200122211093. The next prime is 221200122211181. The reversal of 221200122211113 is 311112221002122.

221200122211113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 221200122211113 - 2³² = 221195827243817 is a prime.

It is a super-2 number, since 2×221200122211113² (a number of 29 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 221200122211113.

It is not an unprimeable number, because it can be changed into a prime (221200122211193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36866687035183 + ... + 36866687035188.

It is an arithmetic number, because the mean of its divisors is an integer number (73733374070372).

Almost surely, 2^{221200122211113} is an apocalyptic number.

It is an amenable number.

221200122211113 is a deficient number, since it is larger than the sum of its proper divisors (73733374070375).

221200122211113 is an equidigital number, since it uses as much as digits as its factorization.

221200122211113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73733374070374.

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 221200122211113 its reverse (311112221002122), we get a palindrome (532312343213235).

The spelling of 221200122211113 in words is "two hundred twenty-one trillion, two hundred billion, one hundred twenty-two million, two hundred eleven thousand, one hundred thirteen".