2100331001 has 4 divisors (see below), whose sum is σ = 2149175952. Its totient is φ = 2051486052.

The previous prime is 2100330959. The next prime is 2100331007. The reversal of 2100331001 is 1001330012.

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-2100331001 is a prime.

It is a super-2 number, since 2×2100331001² = 8822780627523324002, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2100331007) 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, 24422411 + ... + 24422496.

It is an arithmetic number, because the mean of its divisors is an integer number (537293988).

Almost surely, 2^2100331001 is an apocalyptic number.

It is an amenable number.

2100331001 is a deficient number, since it is larger than the sum of its proper divisors (48844951).

2100331001 is an equidigital number, since it uses as much as digits as its factorization.

2100331001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48844950.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 2100331001 is about 45829.3683242525. The cubic root of 2100331001 is about 1280.6464428789.

Adding to 2100331001 its reverse (1001330012), we get a palindrome (3101661013).

The spelling of 2100331001 in words is "two billion, one hundred million, three hundred thirty-one thousand, one".