21041024210 has 32 divisors (see below), whose sum is σ = 39093062400. Its totient is φ = 8147760192.

The previous prime is 21041024201. The next prime is 21041024231. The reversal of 21041024210 is 1242014012.

It is a super-2 number, since 2×21041024210² (a number of 21 digits) contains 22 as substring.

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, 69254 + ... + 216513.

It is an arithmetic number, because the mean of its divisors is an integer number (1221658200).

Almost surely, 2^21041024210 is an apocalyptic number.

21041024210 is a deficient number, since it is larger than the sum of its proper divisors (18052038190).

21041024210 is a wasteful number, since it uses less digits than its factorization.

21041024210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286010.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 21041024210 its reverse (1242014012), we get a palindrome (22283038222).

The spelling of 21041024210 in words is "twenty-one billion, forty-one million, twenty-four thousand, two hundred ten".