22100220222212 has 48 divisors (see below), whose sum is σ = 42409159087680. Its totient is φ = 9993699273600.

The previous prime is 22100220222203. The next prime is 22100220222257. The reversal of 22100220222212 is 21222202200122.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106243787 + ... + 106451597.

It is an arithmetic number, because the mean of its divisors is an integer number (883524147660).

Almost surely, 2^{22100220222212} is an apocalyptic number.

22100220222212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22100220222212 is a deficient number, since it is larger than the sum of its proper divisors (20308938865468).

22100220222212 is a wasteful number, since it uses less digits than its factorization.

22100220222212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220292 (or 220290 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 22100220222212 its reverse (21222202200122), we get a palindrome (43322422422334).

The spelling of 22100220222212 in words is "twenty-two trillion, one hundred billion, two hundred twenty million, two hundred twenty-two thousand, two hundred twelve".