22000102012100 has 72 divisors (see below), whose sum is σ = 50258177437440. Its totient is φ = 8335999370880.

The previous prime is 22000102012067. The next prime is 22000102012103. The reversal of 22000102012100 is 121020100022.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (22000102012103) 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 23 ways as a sum of consecutive naturals, for example, 17505389 + ... + 18720011.

Almost surely, 2^{22000102012100} is an apocalyptic number.

22000102012100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22000102012100 is an abundant number, since it is smaller than the sum of its proper divisors (28258075425340).

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

22000102012100 is a wasteful number, since it uses less digits than its factorization.

22000102012100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1224189 (or 1224182 counting only the distinct ones).

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

Adding to 22000102012100 its reverse (121020100022), we get a palindrome (22121122112122).

The spelling of 22000102012100 in words is "twenty-two trillion, one hundred two million, twelve thousand, one hundred".