122043440011211 has 4 divisors (see below), whose sum is σ = 122851674713424. Its totient is φ = 121235205309000.

The previous prime is 122043440011189. The next prime is 122043440011217. The reversal of 122043440011211 is 112110044340221.

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-122043440011211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122043440011217) 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, 404117350880 + ... + 404117351181.

It is an arithmetic number, because the mean of its divisors is an integer number (30712918678356).

Almost surely, 2^{122043440011211} is an apocalyptic number.

122043440011211 is a deficient number, since it is larger than the sum of its proper divisors (808234702213).

122043440011211 is an equidigital number, since it uses as much as digits as its factorization.

122043440011211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 808234702212.

The product of its (nonzero) digits is 1536, while the sum is 26.

Adding to 122043440011211 its reverse (112110044340221), we get a palindrome (234153484351432).

The spelling of 122043440011211 in words is "one hundred twenty-two trillion, forty-three billion, four hundred forty million, eleven thousand, two hundred eleven".