21223103302122 has 8 divisors (see below), whose sum is σ = 42446206604256. Its totient is φ = 7074367767372.

The previous prime is 21223103302103. The next prime is 21223103302147. The reversal of 21223103302122 is 22120330132212.

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

21223103302122 is an admirable number.

It is a super-2 number, since 2×21223103302122² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21223103302092 and 21223103302101.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1768591941838 + ... + 1768591941849.

It is an arithmetic number, because the mean of its divisors is an integer number (5305775825532).

Almost surely, 2^{21223103302122} is an apocalyptic number.

21223103302122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

21223103302122 is a wasteful number, since it uses less digits than its factorization.

21223103302122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3537183883692.

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

Adding to 21223103302122 its reverse (22120330132212), we get a palindrome (43343433434334).

The spelling of 21223103302122 in words is "twenty-one trillion, two hundred twenty-three billion, one hundred three million, three hundred two thousand, one hundred twenty-two".