2122021240211 has 4 divisors (see below), whose sum is σ = 2127366382272. Its totient is φ = 2116676098152.

The previous prime is 2122021240147. The next prime is 2122021240217. The reversal of 2122021240211 is 1120421202212.

It is a happy number.

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 2122021240211 - 2⁶ = 2122021240147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2122021240217) 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, 2672570435 + ... + 2672571228.

It is an arithmetic number, because the mean of its divisors is an integer number (531841595568).

Almost surely, 2^{2122021240211} is an apocalyptic number.

2122021240211 is a deficient number, since it is larger than the sum of its proper divisors (5345142061).

2122021240211 is an equidigital number, since it uses as much as digits as its factorization.

2122021240211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5345142060.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 2122021240211 its reverse (1120421202212), we get a palindrome (3242442442423).

The spelling of 2122021240211 in words is "two trillion, one hundred twenty-two billion, twenty-one million, two hundred forty thousand, two hundred eleven".