1110020021010 has 64 divisors (see below), whose sum is σ = 2960145941760. Its totient is φ = 295996083840.

The previous prime is 1110020020979. The next prime is 1110020021039. The reversal of 1110020021010 is 101200200111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1110020020983 and 1110020021001.

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, 16120555 + ... + 16189265.

It is an arithmetic number, because the mean of its divisors is an integer number (46252280340).

Almost surely, 2^{1110020021010} is an apocalyptic number.

1110020021010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1110020021010 is an abundant number, since it is smaller than the sum of its proper divisors (1850125920750).

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

1110020021010 is a wasteful number, since it uses less digits than its factorization.

1110020021010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128560 (or 128554 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 1110020021010 its reverse (101200200111), we get a palindrome (1211220221121).

The spelling of 1110020021010 in words is "one trillion, one hundred ten billion, twenty million, twenty-one thousand, ten".