210211111220011 has 8 divisors (see below), whose sum is σ = 229351622251248. Its totient is φ = 191075668524000.

The previous prime is 210211111220009. The next prime is 210211111220017. The reversal of 210211111220011 is 110022111112012.

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 210211111220011 - 2¹ = 210211111220009 is a prime.

It is a super-2 number, since 2×210211111220011² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210211111220017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1266997080 + ... + 1267162981.

It is an arithmetic number, because the mean of its divisors is an integer number (28668952781406).

Almost surely, 2^{210211111220011} is an apocalyptic number.

210211111220011 is a deficient number, since it is larger than the sum of its proper divisors (19140511031237).

210211111220011 is a wasteful number, since it uses less digits than its factorization.

210211111220011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2534167613.

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

Adding to 210211111220011 its reverse (110022111112012), we get a palindrome (320233222332023).

The spelling of 210211111220011 in words is "two hundred ten trillion, two hundred eleven billion, one hundred eleven million, two hundred twenty thousand, eleven".