211144213011 has 8 divisors (see below), whose sum is σ = 283098386880. Its totient is φ = 139976423912.

The previous prime is 211144213009. The next prime is 211144213051. The reversal of 211144213011 is 110312441112.

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 211144213011 - 2¹ = 211144213009 is a prime.

It is a super-2 number, since 2×211144213011² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (211144213051) 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, 196595565 + ... + 196596638.

It is an arithmetic number, because the mean of its divisors is an integer number (35387298360).

Almost surely, 2^211144213011 is an apocalyptic number.

211144213011 is a deficient number, since it is larger than the sum of its proper divisors (71954173869).

211144213011 is a wasteful number, since it uses less digits than its factorization.

211144213011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393192385.

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

Adding to 211144213011 its reverse (110312441112), we get a palindrome (321456654123).

The spelling of 211144213011 in words is "two hundred eleven billion, one hundred forty-four million, two hundred thirteen thousand, eleven".