10021020010011 has 18 divisors (see below), whose sum is σ = 14819258568348. Its totient is φ = 6525315344520.

The previous prime is 10021020009997. The next prime is 10021020010021. The reversal of 10021020010011 is 11001002012001.

It is a happy number.

It is not a de Polignac number, because 10021020010011 - 2⁹ = 10021020009499 is a prime.

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

It is a junction number, because it is equal to n+sod(n) for n = 10021020009975 and 10021020010002.

It is not an unprimeable number, because it can be changed into a prime (10021020010021) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 301077645 + ... + 301110926.

It is an arithmetic number, because the mean of its divisors is an integer number (823292142686).

Almost surely, 2^{10021020010011} is an apocalyptic number.

10021020010011 is a deficient number, since it is larger than the sum of its proper divisors (4798238558337).

10021020010011 is an equidigital number, since it uses as much as digits as its factorization.

10021020010011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 602188663 (or 602188617 counting only the distinct ones).

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

Adding to 10021020010011 its reverse (11001002012001), we get a palindrome (21022022022012).

The spelling of 10021020010011 in words is "ten trillion, twenty-one billion, twenty million, ten thousand, eleven".