2100331120001 has 4 divisors (see below), whose sum is σ = 2100357955332. Its totient is φ = 2100304284672.

The previous prime is 2100331119949. The next prime is 2100331120051. The reversal of 2100331120001 is 1000211330012.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 933928960000 + 1166402160001 = 966400^2 + 1080001^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2100331120001 is a prime.

It is a super-2 number, since 2×2100331120001² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2100331120051) 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 3 ways as a sum of consecutive naturals, for example, 13299920 + ... + 13456913.

It is an arithmetic number, because the mean of its divisors is an integer number (525089488833).

Almost surely, 2^{2100331120001} is an apocalyptic number.

It is an amenable number.

2100331120001 is a deficient number, since it is larger than the sum of its proper divisors (26835331).

2100331120001 is an equidigital number, since it uses as much as digits as its factorization.

2100331120001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26835330.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 2100331120001 its reverse (1000211330012), we get a palindrome (3100542450013).

The spelling of 2100331120001 in words is "two trillion, one hundred billion, three hundred thirty-one million, one hundred twenty thousand, one".