21113100210202 has 64 divisors (see below), whose sum is σ = 42522336460800. Its totient is φ = 7592971538880.

The previous prime is 21113100210193. The next prime is 21113100210263. The reversal of 21113100210202 is 20201200131112.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 165219249 + ... + 165346987.

It is an arithmetic number, because the mean of its divisors is an integer number (664411507200).

Almost surely, 2^{21113100210202} is an apocalyptic number.

21113100210202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21113100210202 is an abundant number, since it is smaller than the sum of its proper divisors (21409236250598).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21113100210202 is a wasteful number, since it uses less digits than its factorization.

21113100210202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210331.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 21113100210202 its reverse (20201200131112), we get a palindrome (41314300341314).

The spelling of 21113100210202 in words is "twenty-one trillion, one hundred thirteen billion, one hundred million, two hundred ten thousand, two hundred two".