22001222101100 has 72 divisors (see below), whose sum is σ = 52492994899968. Its totient is φ = 7937448724800.

The previous prime is 22001222101099. The next prime is 22001222101129. The reversal of 22001222101100 is 110122210022.

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, 78604832 + ... + 78884231.

Almost surely, 2^{22001222101100} is an apocalyptic number.

22001222101100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22001222101100 is an abundant number, since it is smaller than the sum of its proper divisors (30491772798868).

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

22001222101100 is a wasteful number, since it uses less digits than its factorization.

22001222101100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157489215 (or 157489208 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 22001222101100 its reverse (110122210022), we get a palindrome (22111344311122).

The spelling of 22001222101100 in words is "twenty-two trillion, one billion, two hundred twenty-two million, one hundred one thousand, one hundred".