211122022012211 has 16 divisors (see below), whose sum is σ = 230458484750400. Its totient is φ = 192788480467968.

The previous prime is 211122022012207. The next prime is 211122022012249. The reversal of 211122022012211 is 112210220221112.

It is a cyclic number.

It is not a de Polignac number, because 211122022012211 - 2² = 211122022012207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211122022012271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1778169686 + ... + 1778288411.

It is an arithmetic number, because the mean of its divisors is an integer number (14403655296900).

Almost surely, 2^{211122022012211} is an apocalyptic number.

211122022012211 is a deficient number, since it is larger than the sum of its proper divisors (19336462738189).

211122022012211 is a wasteful number, since it uses less digits than its factorization.

211122022012211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3556458238.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 211122022012211 its reverse (112210220221112), we get a palindrome (323332242233323).

The spelling of 211122022012211 in words is "two hundred eleven trillion, one hundred twenty-two billion, twenty-two million, twelve thousand, two hundred eleven".