122111030020 has 24 divisors (see below), whose sum is σ = 293066472384. Its totient is φ = 41866638816.

The previous prime is 122111029979. The next prime is 122111030021. The reversal of 122111030020 is 20030111221.

It is a super-2 number, since 2×122111030020² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (122111030021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 436110682 + ... + 436110961.

It is an arithmetic number, because the mean of its divisors is an integer number (12211103016).

Almost surely, 2^122111030020 is an apocalyptic number.

122111030020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122111030020 is an abundant number, since it is smaller than the sum of its proper divisors (170955442364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122111030020 is a wasteful number, since it uses less digits than its factorization.

122111030020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 872221659 (or 872221657 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 122111030020 its reverse (20030111221), we get a palindrome (142141141241).

The spelling of 122111030020 in words is "one hundred twenty-two billion, one hundred eleven million, thirty thousand, twenty".