2011022122020 has 96 divisors (see below), whose sum is σ = 5993821411200. Its totient is φ = 502339267584.

The previous prime is 2011022121877. The next prime is 2011022122037. The reversal of 2011022122020 is 202212201102.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9808959 + ... + 10011878.

It is an arithmetic number, because the mean of its divisors is an integer number (62435639700).

Almost surely, 2^{2011022122020} is an apocalyptic number.

2011022122020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2011022122020 is an abundant number, since it is smaller than the sum of its proper divisors (3982799289180).

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

2011022122020 is a wasteful number, since it uses less digits than its factorization.

2011022122020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19820957 (or 19820955 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2011022122020 its reverse (202212201102), we get a palindrome (2213234323122).

The spelling of 2011022122020 in words is "two trillion, eleven billion, twenty-two million, one hundred twenty-two thousand, twenty".