2001321300111 has 32 divisors (see below), whose sum is σ = 3123104486400. Its totient is φ = 1139483445408.

The previous prime is 2001321300107. The next prime is 2001321300119. The reversal of 2001321300111 is 1110031231002.

It is a happy number.

It is not a de Polignac number, because 2001321300111 - 2² = 2001321300107 is a prime.

It is a super-2 number, since 2×2001321300111² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001321300119) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3225651 + ... + 3795716.

It is an arithmetic number, because the mean of its divisors is an integer number (97597015200).

Almost surely, 2^{2001321300111} is an apocalyptic number.

2001321300111 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2001321300111 is a deficient number, since it is larger than the sum of its proper divisors (1121783186289).

2001321300111 is an equidigital number, since it uses as much as digits as its factorization.

2001321300111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7021668 (or 7021654 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 2001321300111 its reverse (1110031231002), we get a palindrome (3111352531113).

The spelling of 2001321300111 in words is "two trillion, one billion, three hundred twenty-one million, three hundred thousand, one hundred eleven".