122001102010020 has 48 divisors (see below), whose sum is σ = 346282579964160. Its totient is φ = 32087961075456.

The previous prime is 122001102010003. The next prime is 122001102010043. The reversal of 122001102010020 is 20010201100221.

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 = 122001102009978 and 122001102010005.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13927062060 + ... + 13927070819.

It is an arithmetic number, because the mean of its divisors is an integer number (7214220415920).

Almost surely, 2^{122001102010020} is an apocalyptic number.

122001102010020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122001102010020 is an abundant number, since it is smaller than the sum of its proper divisors (224281477954140).

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

122001102010020 is a wasteful number, since it uses less digits than its factorization.

122001102010020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27854132964 (or 27854132962 counting only the distinct ones).

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

Adding to 122001102010020 its reverse (20010201100221), we get a palindrome (142011303110241).

The spelling of 122001102010020 in words is "one hundred twenty-two trillion, one billion, one hundred two million, ten thousand, twenty".