2100211207 has 2 divisors, whose sum is σ = 2100211208. Its totient is φ = 2100211206.

The previous prime is 2100211199. The next prime is 2100211249. The reversal of 2100211207 is 7021120012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2100211207 - 2³ = 2100211199 is a prime.

It is a super-2 number, since 2×2100211207² = 8821774228016793698, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2100211277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050105603 + 1050105604.

It is an arithmetic number, because the mean of its divisors is an integer number (1050105604).

Almost surely, 2^2100211207 is an apocalyptic number.

2100211207 is a deficient number, since it is larger than the sum of its proper divisors (1).

2100211207 is an equidigital number, since it uses as much as digits as its factorization.

2100211207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56, while the sum is 16.

The square root of 2100211207 is about 45828.0613489159. The cubic root of 2100211207 is about 1280.6220948632.

Adding to 2100211207 its reverse (7021120012), we get a palindrome (9121331219).

The spelling of 2100211207 in words is "two billion, one hundred million, two hundred eleven thousand, two hundred seven".