2001232010101 has 4 divisors (see below), whose sum is σ = 2016989742592. Its totient is φ = 1985474277612.

The previous prime is 2001232010081. The next prime is 2001232010111. The reversal of 2001232010101 is 1010102321002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2001232010101 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 (2001232010111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7878866055 + ... + 7878866308.

It is an arithmetic number, because the mean of its divisors is an integer number (504247435648).

Almost surely, 2^{2001232010101} is an apocalyptic number.

It is an amenable number.

2001232010101 is a deficient number, since it is larger than the sum of its proper divisors (15757732491).

2001232010101 is a wasteful number, since it uses less digits than its factorization.

2001232010101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15757732490.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 2001232010101 its reverse (1010102321002), we get a palindrome (3011334331103).

The spelling of 2001232010101 in words is "two trillion, one billion, two hundred thirty-two million, ten thousand, one hundred one".