21010003021322 has 16 divisors (see below), whose sum is σ = 38135803803840. Its totient is φ = 8474623067328.

The previous prime is 21010003021309. The next prime is 21010003021393. The reversal of 21010003021322 is 22312030001012.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 21010003021322.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44138661572 + ... + 44138662047.

It is an arithmetic number, because the mean of its divisors is an integer number (2383487737740).

Almost surely, 2^{21010003021322} is an apocalyptic number.

21010003021322 is a deficient number, since it is larger than the sum of its proper divisors (17125800782518).

21010003021322 is a wasteful number, since it uses less digits than its factorization.

21010003021322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88277323645.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 21010003021322 its reverse (22312030001012), we get a palindrome (43322033022334).

The spelling of 21010003021322 in words is "twenty-one trillion, ten billion, three million, twenty-one thousand, three hundred twenty-two".