11212100221201 has 8 divisors (see below), whose sum is σ = 12232804912704. Its totient is φ = 10191632671920.

The previous prime is 11212100221169. The next prime is 11212100221213. The reversal of 11212100221201 is 10212200121211.

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 11212100221201 - 2⁵ = 11212100221169 is a prime.

It is a super-2 number, since 2×11212100221201² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11212100221001) 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, 59186685 + ... + 59375818.

It is an arithmetic number, because the mean of its divisors is an integer number (1529100614088).

Almost surely, 2^{11212100221201} is an apocalyptic number.

11212100221201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11212100221201 is a deficient number, since it is larger than the sum of its proper divisors (1020704691503).

11212100221201 is a wasteful number, since it uses less digits than its factorization.

11212100221201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118571111.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 11212100221201 its reverse (10212200121211), we get a palindrome (21424300342412).

The spelling of 11212100221201 in words is "eleven trillion, two hundred twelve billion, one hundred million, two hundred twenty-one thousand, two hundred one".