122110123020 has 96 divisors (see below), whose sum is σ = 360476014080. Its totient is φ = 30799802880.

The previous prime is 122110122989. The next prime is 122110123027. The reversal of 122110123020 is 20321011221.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (122110123027) 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 31 ways as a sum of consecutive naturals, for example, 634464 + ... + 804216.

It is an arithmetic number, because the mean of its divisors is an integer number (3754958480).

Almost surely, 2^122110123020 is an apocalyptic number.

122110123020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122110123020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180238007040).

122110123020 is an abundant number, since it is smaller than the sum of its proper divisors (238365891060).

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

122110123020 is a wasteful number, since it uses less digits than its factorization.

122110123020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170415 (or 170413 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 122110123020 its reverse (20321011221), we get a palindrome (142431134241).

The spelling of 122110123020 in words is "one hundred twenty-two billion, one hundred ten million, one hundred twenty-three thousand, twenty".