201100221211 has 8 divisors (see below), whose sum is σ = 212212342800. Its totient is φ = 190040889600.

The previous prime is 201100221193. The next prime is 201100221221. The reversal of 201100221211 is 112122001102.

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

It is a cyclic number.

It is not a de Polignac number, because 201100221211 - 2²³ = 201091832603 is a prime.

It is a super-2 number, since 2×201100221211² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201100221191 and 201100221200.

It is not an unprimeable number, because it can be changed into a prime (201100221221) 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, 13189666 + ... + 13204903.

It is an arithmetic number, because the mean of its divisors is an integer number (26526542850).

Almost surely, 2^201100221211 is an apocalyptic number.

201100221211 is a deficient number, since it is larger than the sum of its proper divisors (11112121589).

201100221211 is a wasteful number, since it uses less digits than its factorization.

201100221211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26394989.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 201100221211 its reverse (112122001102), we get a palindrome (313222222313).

The spelling of 201100221211 in words is "two hundred one billion, one hundred million, two hundred twenty-one thousand, two hundred eleven".