10021042011020 has 24 divisors (see below), whose sum is σ = 21959152929504. Its totient is φ = 3834137812736.

The previous prime is 10021042011017. The next prime is 10021042011049. The reversal of 10021042011020 is 2011024012001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 10021042010986 and 10021042011004.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10892436509 + ... + 10892437428.

It is an arithmetic number, because the mean of its divisors is an integer number (914964705396).

Almost surely, 2^{10021042011020} is an apocalyptic number.

10021042011020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10021042011020 is an abundant number, since it is smaller than the sum of its proper divisors (11938110918484).

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

10021042011020 is a wasteful number, since it uses less digits than its factorization.

10021042011020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21784873969 (or 21784873967 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 10021042011020 its reverse (2011024012001), we get a palindrome (12032066023021).

The spelling of 10021042011020 in words is "ten trillion, twenty-one billion, forty-two million, eleven thousand, twenty".