211122212022017 has 32 divisors (see below), whose sum is σ = 214994459361024. Its totient is φ = 207286216416000.

The previous prime is 211122212021957. The next prime is 211122212022041. The reversal of 211122212022017 is 710220212221112.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 211122212022017 - 2⁴² = 206724165510913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211122212022317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15187548767 + ... + 15187562667.

It is an arithmetic number, because the mean of its divisors is an integer number (6718576855032).

Almost surely, 2^{211122212022017} is an apocalyptic number.

It is an amenable number.

211122212022017 is a deficient number, since it is larger than the sum of its proper divisors (3872247339007).

211122212022017 is a wasteful number, since it uses less digits than its factorization.

211122212022017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15929.

The product of its (nonzero) digits is 896, while the sum is 26.

Adding to 211122212022017 its reverse (710220212221112), we get a palindrome (921342424243129).

The spelling of 211122212022017 in words is "two hundred eleven trillion, one hundred twenty-two billion, two hundred twelve million, twenty-two thousand, seventeen".