2110021210211 has 4 divisors (see below), whose sum is σ = 2130912509424. Its totient is φ = 2089129911000.

The previous prime is 2110021210177. The next prime is 2110021210217. The reversal of 2110021210211 is 1120121200112.

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-2110021210211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2110021210217) 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, 10445649455 + ... + 10445649656.

It is an arithmetic number, because the mean of its divisors is an integer number (532728127356).

Almost surely, 2^{2110021210211} is an apocalyptic number.

2110021210211 is a deficient number, since it is larger than the sum of its proper divisors (20891299213).

2110021210211 is a wasteful number, since it uses less digits than its factorization.

2110021210211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20891299212.

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

Adding to 2110021210211 its reverse (1120121200112), we get a palindrome (3230142410323).

It can be divided in two parts, 2110021 and 210211, that added together give a palindrome (2320232).

The spelling of 2110021210211 in words is "two trillion, one hundred ten billion, twenty-one million, two hundred ten thousand, two hundred eleven".