21233113331230 has 16 divisors (see below), whose sum is σ = 38219860407600. Its totient is φ = 8493188352192.

The previous prime is 21233113331207. The next prime is 21233113331281. The reversal of 21233113331230 is 3213331133212.

It is a happy number.

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, 5540724 + ... + 8553703.

It is an arithmetic number, because the mean of its divisors is an integer number (2388741275475).

Almost surely, 2^{21233113331230} is an apocalyptic number.

21233113331230 is a deficient number, since it is larger than the sum of its proper divisors (16986747076370).

21233113331230 is a wasteful number, since it uses less digits than its factorization.

21233113331230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14245083.

The product of its (nonzero) digits is 5832, while the sum is 28.

Adding to 21233113331230 its reverse (3213331133212), we get a palindrome (24446444464442).

The spelling of 21233113331230 in words is "twenty-one trillion, two hundred thirty-three billion, one hundred thirteen million, three hundred thirty-one thousand, two hundred thirty".