211202112011 has 16 divisors (see below), whose sum is σ = 231989875200. Its totient is φ = 190679405280.

The previous prime is 211202111987. The next prime is 211202112019. The reversal of 211202112011 is 110211202112.

It is a cyclic number.

It is not a de Polignac number, because 211202112011 - 2²⁶ = 211135003147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211202112019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16231070 + ... + 16244076.

It is an arithmetic number, because the mean of its divisors is an integer number (14499367200).

Almost surely, 2^211202112011 is an apocalyptic number.

211202112011 is a deficient number, since it is larger than the sum of its proper divisors (20787763189).

211202112011 is a wasteful number, since it uses less digits than its factorization.

211202112011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23074.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 211202112011 its reverse (110211202112), we get a palindrome (321413314123).

The spelling of 211202112011 in words is "two hundred eleven billion, two hundred two million, one hundred twelve thousand, eleven".