2122212112020 has 288 divisors, whose sum is σ = 8643191880960. Its totient is φ = 407057633280.

The previous prime is 2122212112019. The next prime is 2122212112049. The reversal of 2122212112020 is 202112122212.

It is a happy number.

2122212112020 is a `hidden beast` number, since 212 + 221 + 211 + 2 + 0 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2122212111984 and 2122212112002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5708965 + ... + 6069324.

It is an arithmetic number, because the mean of its divisors is an integer number (30011082920).

Almost surely, 2^{2122212112020} is an apocalyptic number.

2122212112020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2122212112020 is an abundant number, since it is smaller than the sum of its proper divisors (6520979768940).

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

2122212112020 is a wasteful number, since it uses less digits than its factorization.

2122212112020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11778335 (or 11778330 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 2122212112020 its reverse (202112122212), we get a palindrome (2324324234232).

The spelling of 2122212112020 in words is "two trillion, one hundred twenty-two billion, two hundred twelve million, one hundred twelve thousand, twenty".