1020110220128 has 24 divisors (see below), whose sum is σ = 2008365324840. Its totient is φ = 510049185280.

The previous prime is 1020110220121. The next prime is 1020110220149. The reversal of 1020110220128 is 8210220110201.

1020110220128 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1020110220128² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020110220121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4239368 + ... + 4473528.

It is an arithmetic number, because the mean of its divisors is an integer number (83681888535).

Almost surely, 2^{1020110220128} is an apocalyptic number.

It is an amenable number.

1020110220128 is a deficient number, since it is larger than the sum of its proper divisors (988255104712).

1020110220128 is a wasteful number, since it uses less digits than its factorization.

1020110220128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370310 (or 370302 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 1020110220128 its reverse (8210220110201), we get a palindrome (9230330330329).

The spelling of 1020110220128 in words is "one trillion, twenty billion, one hundred ten million, two hundred twenty thousand, one hundred twenty-eight".