2222222001100 has 18 divisors (see below), whose sum is σ = 4822221742604. Its totient is φ = 888888800400.

The previous prime is 2222222001089. The next prime is 2222222001107. The reversal of 2222222001100 is 11002222222.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (2222222001107) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 11111109906 + ... + 11111110105.

Almost surely, 2^{2222222001100} is an apocalyptic number.

2222222001100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2222222001100 is an abundant number, since it is smaller than the sum of its proper divisors (2599999741504).

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

2222222001100 is a wasteful number, since it uses less digits than its factorization.

2222222001100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22222220025 (or 22222220018 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 2222222001100 its reverse (11002222222), we get a palindrome (2233224223322).

The spelling of 2222222001100 in words is "two trillion, two hundred twenty-two billion, two hundred twenty-two million, one thousand, one hundred".