21223102223202 has 16 divisors (see below), whose sum is σ = 46304950305312. Its totient is φ = 6431243097920.

The previous prime is 21223102223189. The next prime is 21223102223203. The reversal of 21223102223202 is 20232220132212.

It is not an unprimeable number, because it can be changed into a prime (21223102223203) 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, 160781077383 + ... + 160781077514.

It is an arithmetic number, because the mean of its divisors is an integer number (2894059394082).

Almost surely, 2^{21223102223202} is an apocalyptic number.

21223102223202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21223102223202 is an abundant number, since it is smaller than the sum of its proper divisors (25081848082110).

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

21223102223202 is a wasteful number, since it uses less digits than its factorization.

21223102223202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321562154913.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 21223102223202 its reverse (20232220132212), we get a palindrome (41455322355414).

The spelling of 21223102223202 in words is "twenty-one trillion, two hundred twenty-three billion, one hundred two million, two hundred twenty-three thousand, two hundred two".