2001100110023 has 8 divisors (see below), whose sum is σ = 2340156939648. Its totient is φ = 1675339626744.

The previous prime is 2001100110017. The next prime is 2001100110041. The reversal of 2001100110023 is 3200110011002.

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

It is not a de Polignac number, because 2001100110023 - 2³² = 1996805142727 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2001100109986 and 2001100110013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001100110073) 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, 3324086261 + ... + 3324086862.

It is an arithmetic number, because the mean of its divisors is an integer number (292519617456).

Almost surely, 2^{2001100110023} is an apocalyptic number.

2001100110023 is a deficient number, since it is larger than the sum of its proper divisors (339056829625).

2001100110023 is an equidigital number, since it uses as much as digits as its factorization.

2001100110023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6648173173.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 2001100110023 its reverse (3200110011002), we get a palindrome (5201210121025).

It can be divided in two parts, 200110011002 and 3, that multiplied together give a palindrome (600330033006).

The spelling of 2001100110023 in words is "two trillion, one billion, one hundred million, one hundred ten thousand, twenty-three".