20221100210212 has 12 divisors (see below), whose sum is σ = 38603918583216. Its totient is φ = 9191409186440.

The previous prime is 20221100210173. The next prime is 20221100210231. The reversal of 20221100210212 is 21201200112202.

It is a happy number.

It is a super-2 number, since 2×20221100210212² (a number of 27 digits) contains 22 as substring.

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, 229785229618 + ... + 229785229705.

It is an arithmetic number, because the mean of its divisors is an integer number (3216993215268).

Almost surely, 2^{20221100210212} is an apocalyptic number.

20221100210212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20221100210212 is a deficient number, since it is larger than the sum of its proper divisors (18382818373004).

20221100210212 is a wasteful number, since it uses less digits than its factorization.

20221100210212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459570459338 (or 459570459336 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20221100210212 its reverse (21201200112202), we get a palindrome (41422300322414).

The spelling of 20221100210212 in words is "twenty trillion, two hundred twenty-one billion, one hundred million, two hundred ten thousand, two hundred twelve".