2122222001020 has 192 divisors, whose sum is σ = 5066196710400. Its totient is φ = 740033280000.

The previous prime is 2122222000939. The next prime is 2122222001033. The reversal of 2122222001020 is 201002222212.

It is a super-2 number, since 2×2122222001020² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2122222000985 and 2122222001003.

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, 126623401 + ... + 126640159.

It is an arithmetic number, because the mean of its divisors is an integer number (26386441200).

Almost surely, 2^{2122222001020} is an apocalyptic number.

2122222001020 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 2122222001020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2533098355200).

2122222001020 is an abundant number, since it is smaller than the sum of its proper divisors (2943974709380).

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

2122222001020 is a wasteful number, since it uses less digits than its factorization.

2122222001020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17060 (or 17058 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 2122222001020 its reverse (201002222212), we get a palindrome (2323224223232).

The spelling of 2122222001020 in words is "two trillion, one hundred twenty-two billion, two hundred twenty-two million, one thousand, twenty".