122020110111 has 8 divisors (see below), whose sum is σ = 163206710064. Its totient is φ = 81090125120.

The previous prime is 122020110103. The next prime is 122020110119. The reversal of 122020110111 is 111011020221.

It is an interprime number because it is at equal distance from previous prime (122020110103) and next prime (122020110119).

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

It is a cyclic number.

It is not a de Polignac number, because 122020110111 - 2³ = 122020110103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122020110119) 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 7 ways as a sum of consecutive naturals, for example, 64152630 + ... + 64154531.

It is an arithmetic number, because the mean of its divisors is an integer number (20400838758).

Almost surely, 2^122020110111 is an apocalyptic number.

122020110111 is a deficient number, since it is larger than the sum of its proper divisors (41186599953).

122020110111 is a wasteful number, since it uses less digits than its factorization.

122020110111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128307481.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 122020110111 its reverse (111011020221), we get a palindrome (233031130332).

It can be divided in two parts, 122020110 and 111, that added together give a palindrome (122020221).

The spelling of 122020110111 in words is "one hundred twenty-two billion, twenty million, one hundred ten thousand, one hundred eleven".