211122011023 has 8 divisors (see below), whose sum is σ = 263217052800. Its totient is φ = 164510657880.

The previous prime is 211122011017. The next prime is 211122011047. The reversal of 211122011023 is 320110221112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 211122011023 - 2¹⁷ = 211121879951 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 211122010988 and 211122011006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211122011083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1370922073 + ... + 1370922226.

It is an arithmetic number, because the mean of its divisors is an integer number (32902131600).

Almost surely, 2^211122011023 is an apocalyptic number.

211122011023 is a deficient number, since it is larger than the sum of its proper divisors (52095041777).

211122011023 is a wasteful number, since it uses less digits than its factorization.

211122011023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2741844317.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 211122011023 its reverse (320110221112), we get a palindrome (531232232135).

The spelling of 211122011023 in words is "two hundred eleven billion, one hundred twenty-two million, eleven thousand, twenty-three".