122200121220011 has 16 divisors (see below), whose sum is σ = 129772099518240. Its totient is φ = 114742214737920.

The previous prime is 122200121219993. The next prime is 122200121220017. The reversal of 122200121220011 is 110022121002221.

It is a cyclic number.

It is not a de Polignac number, because 122200121220011 - 2¹⁴ = 122200121203627 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122200121220017) 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, 145924151 + ... + 146759183.

It is an arithmetic number, because the mean of its divisors is an integer number (8110756219890).

Almost surely, 2^{122200121220011} is an apocalyptic number.

122200121220011 is a deficient number, since it is larger than the sum of its proper divisors (7571978298229).

122200121220011 is a wasteful number, since it uses less digits than its factorization.

122200121220011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 903326.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 122200121220011 its reverse (110022121002221), we get a palindrome (232222242222232).

The spelling of 122200121220011 in words is "one hundred twenty-two trillion, two hundred billion, one hundred twenty-one million, two hundred twenty thousand, eleven".