21033431102202 has 16 divisors (see below), whose sum is σ = 42109055658912. Its totient is φ = 7004111458320.

The previous prime is 21033431102179. The next prime is 21033431102209. The reversal of 21033431102202 is 20220113433012.

It is not an unprimeable number, because it can be changed into a prime (21033431102209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1758054124 + ... + 1758066087.

It is an arithmetic number, because the mean of its divisors is an integer number (2631815978682).

Almost surely, 2^{21033431102202} is an apocalyptic number.

21033431102202 is an abundant number, since it is smaller than the sum of its proper divisors (21075624556710).

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

21033431102202 is a wasteful number, since it uses less digits than its factorization.

21033431102202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3516121213.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 21033431102202 its reverse (20220113433012), we get a palindrome (41253544535214).

The spelling of 21033431102202 in words is "twenty-one trillion, thirty-three billion, four hundred thirty-one million, one hundred two thousand, two hundred two".