2001211023 has 8 divisors (see below), whose sum is σ = 3049464448. Its totient is φ = 1143549144.

The previous prime is 2001210989. The next prime is 2001211027. The reversal of 2001211023 is 3201121002.

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

It is not a de Polignac number, because 2001211023 - 2¹⁸ = 2000948879 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 (2001211027) 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, 47647861 + ... + 47647902.

It is an arithmetic number, because the mean of its divisors is an integer number (381183056).

Almost surely, 2^2001211023 is an apocalyptic number.

2001211023 is a deficient number, since it is larger than the sum of its proper divisors (1048253425).

2001211023 is an equidigital number, since it uses as much as digits as its factorization.

2001211023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95295773.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 2001211023 is about 44734.8971497644. The cubic root of 2001211023 is about 1260.1752974801.

Adding to 2001211023 its reverse (3201121002), we get a palindrome (5202332025).

The spelling of 2001211023 in words is "two billion, one million, two hundred eleven thousand, twenty-three".