10020020011122 has 128 divisors (see below), whose sum is σ = 22875441361920. Its totient is φ = 2898090720000.

The previous prime is 10020020011061. The next prime is 10020020011147. The reversal of 10020020011122 is 22111002002001.

It is a junction number, because it is equal to n+sod(n) for n = 10020020011098 and 10020020011107.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 124260597 + ... + 124341207.

It is an arithmetic number, because the mean of its divisors is an integer number (178714385640).

Almost surely, 2^{10020020011122} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10020020011122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11437720680960).

10020020011122 is an abundant number, since it is smaller than the sum of its proper divisors (12855421350798).

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

10020020011122 is a wasteful number, since it uses less digits than its factorization.

10020020011122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81400.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 10020020011122 its reverse (22111002002001), we get a palindrome (32131022013123).

The spelling of 10020020011122 in words is "ten trillion, twenty billion, twenty million, eleven thousand, one hundred twenty-two".