22122010221100 has 36 divisors (see below), whose sum is σ = 48108444272224. Its totient is φ = 8829692182080.

The previous prime is 22122010221083. The next prime is 22122010221121. The reversal of 22122010221100 is 112201022122.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 238852299 + ... + 238944898.

Almost surely, 2^{22122010221100} is an apocalyptic number.

22122010221100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22122010221100 is an abundant number, since it is smaller than the sum of its proper divisors (25986434051124).

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

22122010221100 is a wasteful number, since it uses less digits than its factorization.

22122010221100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477797674 (or 477797667 counting only the distinct ones).

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

Adding to 22122010221100 its reverse (112201022122), we get a palindrome (22234211243222).

The spelling of 22122010221100 in words is "twenty-two trillion, one hundred twenty-two billion, ten million, two hundred twenty-one thousand, one hundred".