21010010213002 has 16 divisors (see below), whose sum is σ = 33370465991112. Its totient is φ = 9886581780480.

The previous prime is 21010010212991. The next prime is 21010010213039. The reversal of 21010010213002 is 20031201001012.

It can be written as a sum of positive squares in 4 ways, for example, as 20105188822161 + 904821390841 = 4483881^2 + 951221^2 .

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 7 ways as a sum of consecutive naturals, for example, 14349399 + ... + 15745642.

Almost surely, 2^{21010010213002} is an apocalyptic number.

21010010213002 is a deficient number, since it is larger than the sum of its proper divisors (12360455778110).

21010010213002 is a wasteful number, since it uses less digits than its factorization.

21010010213002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30115593.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 21010010213002 its reverse (20031201001012), we get a palindrome (41041211214014).

The spelling of 21010010213002 in words is "twenty-one trillion, ten billion, ten million, two hundred thirteen thousand, two".