21113310332202 has 64 divisors (see below), whose sum is σ = 48776587029504. Its totient is φ = 6021442103040.

The previous prime is 21113310332129. The next prime is 21113310332209. The reversal of 21113310332202 is 20223301331112.

It is not an unprimeable number, because it can be changed into a prime (21113310332209) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 39975933 + ... + 40500639.

It is an arithmetic number, because the mean of its divisors is an integer number (762134172336).

Almost surely, 2^{21113310332202} is an apocalyptic number.

21113310332202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21113310332202 is an abundant number, since it is smaller than the sum of its proper divisors (27663276697302).

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

21113310332202 is a wasteful number, since it uses less digits than its factorization.

21113310332202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560603.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 21113310332202 its reverse (20223301331112), we get a palindrome (41336611663314).

The spelling of 21113310332202 in words is "twenty-one trillion, one hundred thirteen billion, three hundred ten million, three hundred thirty-two thousand, two hundred two".