2100211022207 has 4 divisors (see below), whose sum is σ = 2104806670416. Its totient is φ = 2095615374000.

The previous prime is 2100211022197. The next prime is 2100211022209. The reversal of 2100211022207 is 7022201120012.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2100211022207 - 2²⁸ = 2099942586751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100211022209) 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, 2297823419 + ... + 2297824332.

It is an arithmetic number, because the mean of its divisors is an integer number (526201667604).

Almost surely, 2^{2100211022207} is an apocalyptic number.

2100211022207 is a deficient number, since it is larger than the sum of its proper divisors (4595648209).

2100211022207 is an equidigital number, since it uses as much as digits as its factorization.

2100211022207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4595648208.

The product of its (nonzero) digits is 224, while the sum is 20.

Adding to 2100211022207 its reverse (7022201120012), we get a palindrome (9122412142219).

The spelling of 2100211022207 in words is "two trillion, one hundred billion, two hundred eleven million, twenty-two thousand, two hundred seven".