2021020010010 has 48 divisors (see below), whose sum is σ = 5257971823104. Its totient is φ = 538598177376.

The previous prime is 2021020010003. The next prime is 2021020010059. The reversal of 2021020010010 is 100100201202.

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 = 2021020009974 and 2021020010001.

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 23 ways as a sum of consecutive naturals, for example, 6950322 + ... + 7235261.

It is an arithmetic number, because the mean of its divisors is an integer number (109541079648).

Almost surely, 2^{2021020010010} is an apocalyptic number.

2021020010010 is an abundant number, since it is smaller than the sum of its proper divisors (3236951813094).

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

2021020010010 is a wasteful number, since it uses less digits than its factorization.

2021020010010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14187179 (or 14187176 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 2021020010010 its reverse (100100201202), we get a palindrome (2121120211212).

The spelling of 2021020010010 in words is "two trillion, twenty-one billion, twenty million, ten thousand, ten".