122122112211 has 64 divisors (see below), whose sum is σ = 202779279360. Its totient is φ = 72003509280.

The previous prime is 122122112209. The next prime is 122122112227. The reversal of 122122112211 is 112211221221.

122122112211 is a `hidden beast` number, since 1 + 221 + 221 + 1 + 221 + 1 = 666.

It is not a de Polignac number, because 122122112211 - 2¹ = 122122112209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122122112201) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2304960 + ... + 2357346.

It is an arithmetic number, because the mean of its divisors is an integer number (3168426240).

Almost surely, 2^122122112211 is an apocalyptic number.

122122112211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

122122112211 is a deficient number, since it is larger than the sum of its proper divisors (80657167149).

122122112211 is a wasteful number, since it uses less digits than its factorization.

122122112211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52621 (or 52615 counting only the distinct ones).

The product of its digits is 64, while the sum is 18.

Adding to 122122112211 its reverse (112211221221), we get a palindrome (234333333432).

The spelling of 122122112211 in words is "one hundred twenty-two billion, one hundred twenty-two million, one hundred twelve thousand, two hundred eleven".