2122001022020 has 96 divisors (see below), whose sum is σ = 4886792830080. Its totient is φ = 767602626560.

The previous prime is 2122001021981. The next prime is 2122001022067. The reversal of 2122001022020 is 202201002212.

It is a junction number, because it is equal to n+sod(n) for n = 2122001021986 and 2122001022004.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32506934 + ... + 32572146.

It is an arithmetic number, because the mean of its divisors is an integer number (50904091980).

Almost surely, 2^{2122001022020} is an apocalyptic number.

2122001022020 is a gapful number since it is divisible by the number (20) 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 2122001022020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2443396415040).

2122001022020 is an abundant number, since it is smaller than the sum of its proper divisors (2764791808060).

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

2122001022020 is a wasteful number, since it uses less digits than its factorization.

2122001022020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66005 (or 66003 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 2122001022020 its reverse (202201002212), we get a palindrome (2324202024232).

The spelling of 2122001022020 in words is "two trillion, one hundred twenty-two billion, one million, twenty-two thousand, twenty".