211001011023 has 32 divisors (see below), whose sum is σ = 320393428992. Its totient is φ = 122266364000.

The previous prime is 211001010971. The next prime is 211001011031. The reversal of 211001011023 is 320110100112.

211001011023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 211001011023 - 2³⁰ = 209927269199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211001011033) 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, 1725286 + ... + 1843532.

It is an arithmetic number, because the mean of its divisors is an integer number (10012294656).

Almost surely, 2^211001011023 is an apocalyptic number.

211001011023 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

211001011023 is a deficient number, since it is larger than the sum of its proper divisors (109392417969).

211001011023 is a wasteful number, since it uses less digits than its factorization.

211001011023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120635.

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 211001011023 its reverse (320110100112), we get a palindrome (531111111135).

The spelling of 211001011023 in words is "two hundred eleven billion, one million, eleven thousand, twenty-three".