211222102210011 has 32 divisors (see below), whose sum is σ = 314315116315200. Its totient is φ = 140187772984320.

The previous prime is 211222102210003. The next prime is 211222102210117. The reversal of 211222102210011 is 110012201222112.

211222102210011 is a `hidden beast` number, since 211 + 2 + 221 + 0 + 221 + 0 + 0 + 11 = 666.

It is not a de Polignac number, because 211222102210011 - 2³ = 211222102210003 is a prime.

It is a super-2 number, since 2×211222102210011² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (211222102210001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 70761345 + ... + 73685901.

It is an arithmetic number, because the mean of its divisors is an integer number (9822347384850).

Almost surely, 2^{211222102210011} is an apocalyptic number.

211222102210011 is a deficient number, since it is larger than the sum of its proper divisors (103093014105189).

211222102210011 is a wasteful number, since it uses less digits than its factorization.

211222102210011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2936476 (or 2936470 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 211222102210011 its reverse (110012201222112), we get a palindrome (321234303432123).

The spelling of 211222102210011 in words is "two hundred eleven trillion, two hundred twenty-two billion, one hundred two million, two hundred ten thousand, eleven".