122001220111011 has 8 divisors (see below), whose sum is σ = 162682870844160. Its totient is φ = 81326858059272.

The previous prime is 122001220111009. The next prime is 122001220111037. The reversal of 122001220111011 is 110111022100221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 122001220111011 - 2¹ = 122001220111009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122001220181011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1822131295 + ... + 1822198248.

It is an arithmetic number, because the mean of its divisors is an integer number (20335358855520).

Almost surely, 2^{122001220111011} is an apocalyptic number.

122001220111011 is a deficient number, since it is larger than the sum of its proper divisors (40681650733149).

122001220111011 is a wasteful number, since it uses less digits than its factorization.

122001220111011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3644340705.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 122001220111011 its reverse (110111022100221), we get a palindrome (232112242211232).

The spelling of 122001220111011 in words is "one hundred twenty-two trillion, one billion, two hundred twenty million, one hundred eleven thousand, eleven".