22011200002100 has 72 divisors (see below), whose sum is σ = 49448793491328. Its totient is φ = 8499107347200.

The previous prime is 22011200002091. The next prime is 22011200002111. The reversal of 22011200002100 is 120000211022.

It is a happy number.

It is a congruent number.

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, 31733846 + ... + 32420045.

Almost surely, 2^{22011200002100} is an apocalyptic number.

22011200002100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22011200002100 is an abundant number, since it is smaller than the sum of its proper divisors (27437593489228).

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

22011200002100 is a wasteful number, since it uses less digits than its factorization.

22011200002100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64154025 (or 64154018 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 22011200002100 its reverse (120000211022), we get a palindrome (22131200213122).

The spelling of 22011200002100 in words is "twenty-two trillion, eleven billion, two hundred million, two thousand, one hundred".