21230033633210 has 32 divisors (see below), whose sum is σ = 38794971997440. Its totient is φ = 8362990988352.

The previous prime is 21230033633131. The next prime is 21230033633231. The reversal of 21230033633210 is 1233633003212.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1845170 + ... + 6772349.

It is an arithmetic number, because the mean of its divisors is an integer number (1212342874920).

Almost surely, 2^{21230033633210} is an apocalyptic number.

21230033633210 is a deficient number, since it is larger than the sum of its proper divisors (17564938364230).

21230033633210 is a wasteful number, since it uses less digits than its factorization.

21230033633210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8621270.

The product of its (nonzero) digits is 11664, while the sum is 29.

Adding to 21230033633210 its reverse (1233633003212), we get a palindrome (22463666636422).

The spelling of 21230033633210 in words is "twenty-one trillion, two hundred thirty billion, thirty-three million, six hundred thirty-three thousand, two hundred ten".