21103220133010 has 32 divisors (see below), whose sum is σ = 38709320159232. Its totient is φ = 8281227583680.

The previous prime is 21103220133001. The next prime is 21103220133049. The reversal of 21103220133010 is 1033102230112.

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, 44930134 + ... + 45397393.

It is an arithmetic number, because the mean of its divisors is an integer number (1209666254976).

Almost surely, 2^{21103220133010} is an apocalyptic number.

21103220133010 is a deficient number, since it is larger than the sum of its proper divisors (17606100026222).

21103220133010 is a wasteful number, since it uses less digits than its factorization.

21103220133010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90327978.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 21103220133010 its reverse (1033102230112), we get a palindrome (22136322363122).

The spelling of 21103220133010 in words is "twenty-one trillion, one hundred three billion, two hundred twenty million, one hundred thirty-three thousand, ten".