2100212201 has 4 divisors (see below), whose sum is σ = 2100326400. Its totient is φ = 2100098004.

The previous prime is 2100212171. The next prime is 2100212209. The reversal of 2100212201 is 1022120012.

It is a happy number.

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 2100212201 - 2²² = 2096017897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2100212209) 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, 22541 + ... + 68618.

It is an arithmetic number, because the mean of its divisors is an integer number (525081600).

Almost surely, 2^2100212201 is an apocalyptic number.

It is an amenable number.

2100212201 is a deficient number, since it is larger than the sum of its proper divisors (114199).

2100212201 is an equidigital number, since it uses as much as digits as its factorization.

2100212201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114198.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 2100212201 is about 45828.0721937984. The cubic root of 2100212201 is about 1280.6222968965.

Adding to 2100212201 its reverse (1022120012), we get a palindrome (3122332213).

The spelling of 2100212201 in words is "two billion, one hundred million, two hundred twelve thousand, two hundred one".