211122022002111 has 18 divisors (see below), whose sum is σ = 335197406835200. Its totient is φ = 127952740606680.

The previous prime is 211122022002077. The next prime is 211122022002131. The reversal of 211122022002111 is 111200220221112.

211122022002111 is a `hidden beast` number, since 2 + 1 + 11 + 220 + 220 + 0 + 211 + 1 = 666.

It is not a de Polignac number, because 211122022002111 - 2¹⁴ = 211122021985727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211122022002131) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 96933893311 + ... + 96933895488.

Almost surely, 2^{211122022002111} is an apocalyptic number.

211122022002111 is a deficient number, since it is larger than the sum of its proper divisors (124075384833089).

211122022002111 is a wasteful number, since it uses less digits than its factorization.

211122022002111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193867788827 (or 193867788813 counting only the distinct ones).

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

Adding to 211122022002111 its reverse (111200220221112), we get a palindrome (322322242223223).

The spelling of 211122022002111 in words is "two hundred eleven trillion, one hundred twenty-two billion, twenty-two million, two thousand, one hundred eleven".