2111002212211 has 4 divisors (see below), whose sum is σ = 2112310956672. Its totient is φ = 2109693467752.

The previous prime is 2111002212181. The next prime is 2111002212287. The reversal of 2111002212211 is 1122122001112.

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 2111002212211 - 2¹³ = 2111002204019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2111002212811) 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, 654369811 + ... + 654373036.

It is an arithmetic number, because the mean of its divisors is an integer number (528077739168).

Almost surely, 2^{2111002212211} is an apocalyptic number.

2111002212211 is a deficient number, since it is larger than the sum of its proper divisors (1308744461).

2111002212211 is a wasteful number, since it uses less digits than its factorization.

2111002212211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1308744460.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2111002212211 its reverse (1122122001112), we get a palindrome (3233124213323).

The spelling of 2111002212211 in words is "two trillion, one hundred eleven billion, two million, two hundred twelve thousand, two hundred eleven".