2111012022020 has 96 divisors (see below), whose sum is σ = 4919220633600. Its totient is φ = 754458710400.

The previous prime is 2111012022013. The next prime is 2111012022023. The reversal of 2111012022020 is 202202101112.

It is a super-2 number, since 2×2111012022020² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2111012021986 and 2111012022004.

It is not an unprimeable number, because it can be changed into a prime (2111012022023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66428735 + ... + 66460505.

It is an arithmetic number, because the mean of its divisors is an integer number (51241881600).

Almost surely, 2^{2111012022020} is an apocalyptic number.

2111012022020 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 2111012022020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2459610316800).

2111012022020 is an abundant number, since it is smaller than the sum of its proper divisors (2808208611580).

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

2111012022020 is a wasteful number, since it uses less digits than its factorization.

2111012022020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36969 (or 36967 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2111012022020 its reverse (202202101112), we get a palindrome (2313214123132).

The spelling of 2111012022020 in words is "two trillion, one hundred eleven billion, twelve million, twenty-two thousand, twenty".