2122011202211 has 4 divisors (see below), whose sum is σ = 2122205199000. Its totient is φ = 2121817205424.

The previous prime is 2122011202141. The next prime is 2122011202249. The reversal of 2122011202211 is 1122021102212.

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 2122011202211 - 2¹⁰ = 2122011201187 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2122011202211.

It is not an unprimeable number, because it can be changed into a prime (2122011202271) 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, 96981986 + ... + 97003863.

It is an arithmetic number, because the mean of its divisors is an integer number (530551299750).

Almost surely, 2^{2122011202211} is an apocalyptic number.

2122011202211 is a deficient number, since it is larger than the sum of its proper divisors (193996789).

2122011202211 is a wasteful number, since it uses less digits than its factorization.

2122011202211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193996788.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 2122011202211 its reverse (1122021102212), we get a palindrome (3244032304423).

Subtracting from 2122011202211 its reverse (1122021102212), we obtain a palindrome (999990099999).

The spelling of 2122011202211 in words is "two trillion, one hundred twenty-two billion, eleven million, two hundred two thousand, two hundred eleven".