211422211023 has 16 divisors (see below), whose sum is σ = 282421137920. Its totient is φ = 140685820704.

The previous prime is 211422211019. The next prime is 211422211087. The reversal of 211422211023 is 320112224112.

It is a happy number.

It is not a de Polignac number, because 211422211023 - 2² = 211422211019 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 (211422211003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10065390 + ... + 10086372.

It is an arithmetic number, because the mean of its divisors is an integer number (17651321120).

Almost surely, 2^211422211023 is an apocalyptic number.

211422211023 is a deficient number, since it is larger than the sum of its proper divisors (70998926897).

211422211023 is a wasteful number, since it uses less digits than its factorization.

211422211023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27078.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 211422211023 its reverse (320112224112), we get a palindrome (531534435135).

The spelling of 211422211023 in words is "two hundred eleven billion, four hundred twenty-two million, two hundred eleven thousand, twenty-three".