21233331010132 has 12 divisors (see below), whose sum is σ = 37667347477396. Its totient is φ = 10471231730880.

The previous prime is 21233331010121. The next prime is 21233331010169. The reversal of 21233331010132 is 23101013333212.

It can be written as a sum of positive squares in 2 ways, for example, as 5739062261956 + 15494268748176 = 2395634^2 + 3936276^2 .

It is a junction number, because it is equal to n+sod(n) for n = 21233331010097 and 21233331010106.

It is a congruent number.

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, 36358443219 + ... + 36358443802.

Almost surely, 2^{21233331010132} is an apocalyptic number.

It is an amenable number.

21233331010132 is a deficient number, since it is larger than the sum of its proper divisors (16434016467264).

21233331010132 is a wasteful number, since it uses less digits than its factorization.

21233331010132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72716887098 (or 72716887096 counting only the distinct ones).

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

Adding to 21233331010132 its reverse (23101013333212), we get a palindrome (44334344343344).

The spelling of 21233331010132 in words is "twenty-one trillion, two hundred thirty-three billion, three hundred thirty-one million, ten thousand, one hundred thirty-two".