2010010021021 has 4 divisors (see below), whose sum is σ = 2010947965312. Its totient is φ = 2009072076732.

The previous prime is 2010010020983. The next prime is 2010010021079. The reversal of 2010010021021 is 1201200100102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2010010021021 - 2¹⁵ = 2010009988253 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2010010020989 and 2010010021007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2010010024021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 468968931 + ... + 468973216.

It is an arithmetic number, because the mean of its divisors is an integer number (502736991328).

Almost surely, 2^{2010010021021} is an apocalyptic number.

It is an amenable number.

2010010021021 is a deficient number, since it is larger than the sum of its proper divisors (937944291).

2010010021021 is an equidigital number, since it uses as much as digits as its factorization.

2010010021021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 937944290.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 2010010021021 its reverse (1201200100102), we get a palindrome (3211210121123).

The spelling of 2010010021021 in words is "two trillion, ten billion, ten million, twenty-one thousand, twenty-one".