1000000011020 has 48 divisors (see below), whose sum is σ = 2248512981120. Its totient is φ = 372240574464.

The previous prime is 1000000011019. The next prime is 1000000011041. The reversal of 1000000011020 is 201100000001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (5).

It is a junction number, because it is equal to n+sod(n) for n = 1000000010995 and 1000000011013.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 16493204 + ... + 16553723.

It is an arithmetic number, because the mean of its divisors is an integer number (46844020440).

Almost surely, 2^{1000000011020} is an apocalyptic number.

1000000011020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1000000011020 is an abundant number, since it is smaller than the sum of its proper divisors (1248512970100).

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

1000000011020 is a wasteful number, since it uses less digits than its factorization.

1000000011020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33047042 (or 33047040 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 5.

Adding to 1000000011020 its reverse (201100000001), we get a palindrome (1201100011021).

The spelling of 1000000011020 in words is "one trillion, eleven thousand, twenty".