122220113211 has 96 divisors (see below), whose sum is σ = 214667107200. Its totient is φ = 65545666560.

The previous prime is 122220113209. The next prime is 122220113297. The reversal of 122220113211 is 112311022221.

122220113211 is a `hidden beast` number, since 122 + 220 + 1 + 1 + 321 + 1 = 666.

It is not a de Polignac number, because 122220113211 - 2¹ = 122220113209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122220112211) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 8498635 + ... + 8513003.

It is an arithmetic number, because the mean of its divisors is an integer number (2236115700).

Almost surely, 2^122220113211 is an apocalyptic number.

122220113211 is a deficient number, since it is larger than the sum of its proper divisors (92446993989).

122220113211 is a wasteful number, since it uses less digits than its factorization.

122220113211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14549 (or 14546 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 122220113211 its reverse (112311022221), we get a palindrome (234531135432).

The spelling of 122220113211 in words is "one hundred twenty-two billion, two hundred twenty million, one hundred thirteen thousand, two hundred eleven".