211202011202011 has 4 divisors (see below), whose sum is σ = 211492522910032. Its totient is φ = 210911499493992.

The previous prime is 211202011201997. The next prime is 211202011202033. The reversal of 211202011202011 is 110202110202112.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211202011202011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211202011202041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145255852920 + ... + 145255854373.

It is an arithmetic number, because the mean of its divisors is an integer number (52873130727508).

Almost surely, 2^{211202011202011} is an apocalyptic number.

211202011202011 is a deficient number, since it is larger than the sum of its proper divisors (290511708021).

211202011202011 is an equidigital number, since it uses as much as digits as its factorization.

211202011202011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290511708020.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 211202011202011 its reverse (110202110202112), we get a palindrome (321404121404123).

The spelling of 211202011202011 in words is "two hundred eleven trillion, two hundred two billion, eleven million, two hundred two thousand, eleven".