211121101200011 has 8 divisors (see below), whose sum is σ = 223542864798624. Its totient is φ = 198699657078400.

The previous prime is 211121101200001. The next prime is 211121101200131. The reversal of 211121101200011 is 110002101121112.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211121101200011 is a prime.

It is a super-2 number, since 2×211121101200011² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (211121101200001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78508040 + ... + 81152661.

It is an arithmetic number, because the mean of its divisors is an integer number (27942858099828).

Almost surely, 2^{211121101200011} is an apocalyptic number.

211121101200011 is a deficient number, since it is larger than the sum of its proper divisors (12421763598613).

211121101200011 is a wasteful number, since it uses less digits than its factorization.

211121101200011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159738501.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 211121101200011 its reverse (110002101121112), we get a palindrome (321123202321123).

The spelling of 211121101200011 in words is "two hundred eleven trillion, one hundred twenty-one billion, one hundred one million, two hundred thousand, eleven".