21211233322202 has 48 divisors (see below), whose sum is σ = 40382908592832. Its totient is φ = 8262726151680.

The previous prime is 21211233322183. The next prime is 21211233322243. The reversal of 21211233322202 is 20222333211212.

It is a super-2 number, since 2×21211233322202² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4764683 + ... + 8069985.

It is an arithmetic number, because the mean of its divisors is an integer number (841310595684).

Almost surely, 2^{21211233322202} is an apocalyptic number.

21211233322202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21211233322202 is a deficient number, since it is larger than the sum of its proper divisors (19171675270630).

21211233322202 is a wasteful number, since it uses less digits than its factorization.

21211233322202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3311283 (or 3311276 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 21211233322202 its reverse (20222333211212), we get a palindrome (41433566533414).

The spelling of 21211233322202 in words is "twenty-one trillion, two hundred eleven billion, two hundred thirty-three million, three hundred twenty-two thousand, two hundred two".