21101120100202 has 8 divisors (see below), whose sum is σ = 31810733820000. Its totient is φ = 10497542160204.

The previous prime is 21101120100169. The next prime is 21101120100233. The reversal of 21101120100202 is 20200102110112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26508944452 + ... + 26508945247.

It is an arithmetic number, because the mean of its divisors is an integer number (3976341727500).

Almost surely, 2^{21101120100202} is an apocalyptic number.

21101120100202 is a deficient number, since it is larger than the sum of its proper divisors (10709613719798).

21101120100202 is a wasteful number, since it uses less digits than its factorization.

21101120100202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53017889900.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 21101120100202 its reverse (20200102110112), we get a palindrome (41301222210314).

The spelling of 21101120100202 in words is "twenty-one trillion, one hundred one billion, one hundred twenty million, one hundred thousand, two hundred two".