21143304033302 has 24 divisors (see below), whose sum is σ = 34860607362336. Its totient is φ = 9610491726000.

The previous prime is 21143304033289. The next prime is 21143304033329. The reversal of 21143304033302 is 20333040334112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25680152 + ... + 26490692.

It is an arithmetic number, because the mean of its divisors is an integer number (1452525306764).

Almost surely, 2^{21143304033302} is an apocalyptic number.

21143304033302 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21143304033302 is a deficient number, since it is larger than the sum of its proper divisors (13717303329034).

21143304033302 is a wasteful number, since it uses less digits than its factorization.

21143304033302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 918356 (or 918345 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 29.

Adding to 21143304033302 its reverse (20333040334112), we get a palindrome (41476344367414).

The spelling of 21143304033302 in words is "twenty-one trillion, one hundred forty-three billion, three hundred four million, thirty-three thousand, three hundred two".