2010021120021 has 16 divisors (see below), whose sum is σ = 2690820820800. Its totient is φ = 1334618208000.

The previous prime is 2010021120017. The next prime is 2010021120077. The reversal of 2010021120021 is 1200211200102.

It is not a de Polignac number, because 2010021120021 - 2² = 2010021120017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2010021119979 and 2010021120006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2010021121021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24577005 + ... + 24658653.

It is an arithmetic number, because the mean of its divisors is an integer number (168176301300).

Almost surely, 2^{2010021120021} is an apocalyptic number.

It is an amenable number.

2010021120021 is a deficient number, since it is larger than the sum of its proper divisors (680799700779).

2010021120021 is a wasteful number, since it uses less digits than its factorization.

2010021120021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114596.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 2010021120021 its reverse (1200211200102), we get a palindrome (3210232320123).

The spelling of 2010021120021 in words is "two trillion, ten billion, twenty-one million, one hundred twenty thousand, twenty-one".