21333132110 has 16 divisors (see below), whose sum is σ = 38409336000. Its totient is φ = 8531097696.

The previous prime is 21333132103. The next prime is 21333132127. The reversal of 21333132110 is 1123133312.

It is a congruent number.

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, 227510 + ... + 307289.

It is an arithmetic number, because the mean of its divisors is an integer number (2400583500).

Almost surely, 2^21333132110 is an apocalyptic number.

21333132110 is a deficient number, since it is larger than the sum of its proper divisors (17076203890).

21333132110 is a wasteful number, since it uses less digits than its factorization.

21333132110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538795.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 21333132110 its reverse (1123133312), we get a palindrome (22456265422).

The spelling of 21333132110 in words is "twenty-one billion, three hundred thirty-three million, one hundred thirty-two thousand, one hundred ten".