122110010020020 has 192 divisors, whose sum is σ = 380524349076480. Its totient is φ = 29007714278400.

The previous prime is 122110010020013. The next prime is 122110010020067. The reversal of 122110010020020 is 20020010011221.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 122110010019978 and 122110010020005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7178875 + ... + 17197565.

It is an arithmetic number, because the mean of its divisors is an integer number (1981897651440).

Almost surely, 2^{122110010020020} is an apocalyptic number.

122110010020020 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 122110010020020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190262174538240).

122110010020020 is an abundant number, since it is smaller than the sum of its proper divisors (258414339056460).

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

122110010020020 is a wasteful number, since it uses less digits than its factorization.

122110010020020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10019086 (or 10019084 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 122110010020020 its reverse (20020010011221), we get a palindrome (142130020031241).

The spelling of 122110010020020 in words is "one hundred twenty-two trillion, one hundred ten billion, ten million, twenty thousand, twenty".