122011110221 has 64 divisors (see below), whose sum is σ = 166835773440. Its totient is φ = 86148541440.

The previous prime is 122011110187. The next prime is 122011110223.

122011110221 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 122011110221 - 2¹⁰ = 122011109197 is a prime.

It is a super-2 number, since 2×122011110221² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 122011110196 and 122011110205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122011110223) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 65141141 + ... + 65143013.

It is an arithmetic number, because the mean of its divisors is an integer number (2606808960).

Almost surely, 2^122011110221 is an apocalyptic number.

122011110221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

122011110221 is a deficient number, since it is larger than the sum of its proper divisors (44824663219).

122011110221 is a wasteful number, since it uses less digits than its factorization.

122011110221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3066.

The product of its (nonzero) digits is 16, while the sum is 14.

It can be divided in two parts, 122011 and 110221, that added together give a palindrome (232232).

The spelling of 122011110221 in words is "one hundred twenty-two billion, eleven million, one hundred ten thousand, two hundred twenty-one".