2101230201 has 24 divisors (see below), whose sum is σ = 3271790880. Its totient is φ = 1196009472.

The previous prime is 2101230193. The next prime is 2101230203. The reversal of 2101230201 is 1020321012.

It is not a de Polignac number, because 2101230201 - 2³ = 2101230193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2101230203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9970 + ... + 65588.

It is an arithmetic number, because the mean of its divisors is an integer number (136324620).

Almost surely, 2^2101230201 is an apocalyptic number.

2101230201 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2101230201 is a deficient number, since it is larger than the sum of its proper divisors (1170560679).

2101230201 is a wasteful number, since it uses less digits than its factorization.

2101230201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55893 (or 55886 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 2101230201 is about 45839.1775777009. The cubic root of 2101230201 is about 1280.8291748680.

Adding to 2101230201 its reverse (1020321012), we get a palindrome (3121551213).

The spelling of 2101230201 in words is "two billion, one hundred one million, two hundred thirty thousand, two hundred one".