211022020202011 has 64 divisors (see below), whose sum is σ = 230227113628800. Its totient is φ = 193364028407808.

The previous prime is 211022020201999. The next prime is 211022020202039. The reversal of 211022020202011 is 110202020220112.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-211022020202011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211022020200011) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8795137431 + ... + 8795161423.

It is an arithmetic number, because the mean of its divisors is an integer number (3597298650450).

Almost surely, 2^{211022020202011} is an apocalyptic number.

211022020202011 is a deficient number, since it is larger than the sum of its proper divisors (19205093426789).

211022020202011 is a wasteful number, since it uses less digits than its factorization.

211022020202011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24433 (or 24399 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 211022020202011 its reverse (110202020220112), we get a palindrome (321224040422123).

The spelling of 211022020202011 in words is "two hundred eleven trillion, twenty-two billion, twenty million, two hundred two thousand, eleven".