21241320100210 has 32 divisors (see below), whose sum is σ = 43704179700480. Its totient is φ = 7281446690112.

The previous prime is 21241320100207. The next prime is 21241320100261. The reversal of 21241320100210 is 1200102314212.

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, 26511409 + ... + 27300868.

It is an arithmetic number, because the mean of its divisors is an integer number (1365755615640).

Almost surely, 2^{21241320100210} is an apocalyptic number.

21241320100210 is an abundant number, since it is smaller than the sum of its proper divisors (22462859600270).

21241320100210 is a wasteful number, since it uses less digits than its factorization.

21241320100210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53817930.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 21241320100210 its reverse (1200102314212), we get a palindrome (22441422414422).

The spelling of 21241320100210 in words is "twenty-one trillion, two hundred forty-one billion, three hundred twenty million, one hundred thousand, two hundred ten".