122001220211 has 16 divisors (see below), whose sum is σ = 131639364864. Its totient is φ = 112399505184.

The previous prime is 122001220157. The next prime is 122001220219. The reversal of 122001220211 is 112022100221.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122001220211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122001220219) 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, 17558240 + ... + 17565186.

It is an arithmetic number, because the mean of its divisors is an integer number (8227460304).

Almost surely, 2^122001220211 is an apocalyptic number.

122001220211 is a deficient number, since it is larger than the sum of its proper divisors (9638144653).

122001220211 is a wasteful number, since it uses less digits than its factorization.

122001220211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9370.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 122001220211 its reverse (112022100221), we get a palindrome (234023320432).

The spelling of 122001220211 in words is "one hundred twenty-two billion, one million, two hundred twenty thousand, two hundred eleven".