2101000201 has 4 divisors (see below), whose sum is σ = 2101111504. Its totient is φ = 2100888900.

The previous prime is 2101000171. The next prime is 2101000211. The reversal of 2101000201 is 1020001012.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2101000201 - 2¹¹ = 2100998153 is a prime.

It is a super-3 number, since 3×2101000201³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2101000211) 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, 19515 + ... + 67696.

It is an arithmetic number, because the mean of its divisors is an integer number (525277876).

Almost surely, 2^2101000201 is an apocalyptic number.

It is an amenable number.

2101000201 is a deficient number, since it is larger than the sum of its proper divisors (111303).

2101000201 is an equidigital number, since it uses as much as digits as its factorization.

2101000201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111302.

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 2101000201 is about 45836.6687380311. The cubic root of 2101000201 is about 1280.7824401092.

Adding to 2101000201 its reverse (1020001012), we get a palindrome (3121001213).

The spelling of 2101000201 in words is "two billion, one hundred one million, two hundred one", and thus it is an aban number.