22200100021012 has 12 divisors (see below), whose sum is σ = 40539313082016. Its totient is φ = 10617439140440.

The previous prime is 22200100021009. The next prime is 22200100021069. The reversal of 22200100021012 is 21012000100222.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22200100020983 and 22200100021001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120652717414 + ... + 120652717597.

It is an arithmetic number, because the mean of its divisors is an integer number (3378276090168).

Almost surely, 2^{22200100021012} is an apocalyptic number.

It is an amenable number.

22200100021012 is a deficient number, since it is larger than the sum of its proper divisors (18339213061004).

22200100021012 is a wasteful number, since it uses less digits than its factorization.

22200100021012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241305435038 (or 241305435036 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 22200100021012 its reverse (21012000100222), we get a palindrome (43212100121234).

The spelling of 22200100021012 in words is "twenty-two trillion, two hundred billion, one hundred million, twenty-one thousand, twelve".