2102001122211 has 4 divisors (see below), whose sum is σ = 2802668162952. Its totient is φ = 1401334081472.

The previous prime is 2102001122167. The next prime is 2102001122237. The reversal of 2102001122211 is 1122211002012.

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 2102001122211 - 2⁶ = 2102001122147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2102001122261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 350333520366 + ... + 350333520371.

It is an arithmetic number, because the mean of its divisors is an integer number (700667040738).

Almost surely, 2^{2102001122211} is an apocalyptic number.

2102001122211 is a deficient number, since it is larger than the sum of its proper divisors (700667040741).

2102001122211 is an equidigital number, since it uses as much as digits as its factorization.

2102001122211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700667040740.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2102001122211 its reverse (1122211002012), we get a palindrome (3224212124223).

The spelling of 2102001122211 in words is "two trillion, one hundred two billion, one million, one hundred twenty-two thousand, two hundred eleven".