2102120110211 has 4 divisors (see below), whose sum is σ = 2293221938424. Its totient is φ = 1911018282000.

The previous prime is 2102120110171. The next prime is 2102120110243. The reversal of 2102120110211 is 1120110212012.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2102120110211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2102120110511) 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, 95550914090 + ... + 95550914111.

It is an arithmetic number, because the mean of its divisors is an integer number (573305484606).

Almost surely, 2^{2102120110211} is an apocalyptic number.

2102120110211 is a deficient number, since it is larger than the sum of its proper divisors (191101828213).

2102120110211 is a wasteful number, since it uses less digits than its factorization.

2102120110211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191101828212.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 2102120110211 its reverse (1120110212012), we get a palindrome (3222230322223).

The spelling of 2102120110211 in words is "two trillion, one hundred two billion, one hundred twenty million, one hundred ten thousand, two hundred eleven".