11201200221111 has 8 divisors (see below), whose sum is σ = 14935368539904. Its totient is φ = 7467249358200.

The previous prime is 11201200221091. The next prime is 11201200221161. The reversal of 11201200221111 is 11112200210211.

It is a happy number.

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

It is not a de Polignac number, because 11201200221111 - 2⁶ = 11201200221047 is a prime.

It is a super-4 number, since 4×11201200221111⁴ (a number of 53 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11201200221161) 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, 54243741 + ... + 54449846.

It is an arithmetic number, because the mean of its divisors is an integer number (1866921067488).

Almost surely, 2^{11201200221111} is an apocalyptic number.

11201200221111 is a deficient number, since it is larger than the sum of its proper divisors (3734168318793).

11201200221111 is a wasteful number, since it uses less digits than its factorization.

11201200221111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108727941.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 11201200221111 its reverse (11112200210211), we get a palindrome (22313400431322).

The spelling of 11201200221111 in words is "eleven trillion, two hundred one billion, two hundred million, two hundred twenty-one thousand, one hundred eleven".