21003313321132 has 12 divisors (see below), whose sum is σ = 36756135167416. Its totient is φ = 10501560416160.

The previous prime is 21003313321093. The next prime is 21003313321171. The reversal of 21003313321132 is 23112331330012.

It is an interprime number because it is at equal distance from previous prime (21003313321093) and next prime (21003313321171).

It is a super-2 number, since 2×21003313321132² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21003313321097 and 21003313321106.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23568969 + ... + 24443872.

Almost surely, 2^{21003313321132} is an apocalyptic number.

It is an amenable number.

21003313321132 is a deficient number, since it is larger than the sum of its proper divisors (15752821846284).

21003313321132 is a wasteful number, since it uses less digits than its factorization.

21003313321132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48122208 (or 48122206 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 21003313321132 its reverse (23112331330012), we get a palindrome (44115644651144).

The spelling of 21003313321132 in words is "twenty-one trillion, three billion, three hundred thirteen million, three hundred twenty-one thousand, one hundred thirty-two".