2122112102020 has 24 divisors (see below), whose sum is σ = 4610105602200. Its totient is φ = 819574328832.

The previous prime is 2122112101987. The next prime is 2122112102039. The reversal of 2122112102020 is 202012112212.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 65933914176 + 2056178187844 = 256776^2 + 1433938^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2122112101985 and 2122112102003.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1829406405 + ... + 1829407564.

It is an arithmetic number, because the mean of its divisors is an integer number (192087733425).

Almost surely, 2^{2122112102020} is an apocalyptic number.

2122112102020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2122112102020 is an abundant number, since it is smaller than the sum of its proper divisors (2487993500180).

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

2122112102020 is a wasteful number, since it uses less digits than its factorization.

2122112102020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3658814007 (or 3658814005 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2122112102020 its reverse (202012112212), we get a palindrome (2324124214232).

The spelling of 2122112102020 in words is "two trillion, one hundred twenty-two billion, one hundred twelve million, one hundred two thousand, twenty".