20212021021122 has 48 divisors (see below), whose sum is σ = 50062957139520. Its totient is φ = 5773231243296.

The previous prime is 20212021021109. The next prime is 20212021021183. The reversal of 20212021021122 is 22112012021202.

It is a happy number.

20212021021122 is a `hidden beast` number, since 202 + 1 + 20 + 210 + 211 + 22 = 666.

It is a super-3 number, since 3×20212021021122³ (a number of 41 digits) contains 333 as substring.

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 = 20212021021095 and 20212021021104.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22217673 + ... + 23109500.

It is an arithmetic number, because the mean of its divisors is an integer number (1042978273740).

Almost surely, 2^{20212021021122} is an apocalyptic number.

20212021021122 is an abundant number, since it is smaller than the sum of its proper divisors (29850936118398).

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

20212021021122 is a wasteful number, since it uses less digits than its factorization.

20212021021122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45330727 (or 45330724 counting only the distinct ones).

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

Adding to 20212021021122 its reverse (22112012021202), we get a palindrome (42324033042324).

The spelling of 20212021021122 in words is "twenty trillion, two hundred twelve billion, twenty-one million, twenty-one thousand, one hundred twenty-two".