211021022023 has 16 divisors (see below), whose sum is σ = 241488432640. Its totient is φ = 180634154976.

The previous prime is 211021021997. The next prime is 211021022029. The reversal of 211021022023 is 320220120112.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 211021022023 - 2⁹ = 211021021511 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 211021021988 and 211021022006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211021022029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23869438 + ... + 23878276.

It is an arithmetic number, because the mean of its divisors is an integer number (15093027040).

Almost surely, 2^211021022023 is an apocalyptic number.

211021022023 is a deficient number, since it is larger than the sum of its proper divisors (30467410617).

211021022023 is a wasteful number, since it uses less digits than its factorization.

211021022023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13006.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 211021022023 its reverse (320220120112), we get a palindrome (531241142135).

The spelling of 211021022023 in words is "two hundred eleven billion, twenty-one million, twenty-two thousand, twenty-three".