122220110211011 has 4 divisors (see below), whose sum is σ = 122220132339672. Its totient is φ = 122220088082352.

The previous prime is 122220110210959. The next prime is 122220110211091. The reversal of 122220110211011 is 110112011022221.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 122220110211011 - 2²⁶ = 122220043102147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122220110211091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4862540 + ... + 16373286.

It is an arithmetic number, because the mean of its divisors is an integer number (30555033084918).

Almost surely, 2^{122220110211011} is an apocalyptic number.

122220110211011 is a deficient number, since it is larger than the sum of its proper divisors (22128661).

122220110211011 is a wasteful number, since it uses less digits than its factorization.

122220110211011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22128660.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 122220110211011 its reverse (110112011022221), we get a palindrome (232332121233232).

The spelling of 122220110211011 in words is "one hundred twenty-two trillion, two hundred twenty billion, one hundred ten million, two hundred eleven thousand, eleven".