22001000202112 has 32 divisors (see below), whose sum is σ = 43830743335920. Its totient is φ = 11000343051264.

The previous prime is 22001000202091. The next prime is 22001000202131. The reversal of 22001000202112 is 21120200010022.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 22001000202092 and 22001000202101.

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 3 ways as a sum of consecutive naturals, for example, 8046508 + ... + 10428244.

Almost surely, 2^{22001000202112} is an apocalyptic number.

It is an amenable number.

22001000202112 is a deficient number, since it is larger than the sum of its proper divisors (21829743133808).

22001000202112 is an equidigital number, since it uses as much as digits as its factorization.

22001000202112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2453918 (or 2453906 counting only the distinct ones).

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

Adding to 22001000202112 its reverse (21120200010022), we get a palindrome (43121200212134).

The spelling of 22001000202112 in words is "twenty-two trillion, one billion, two hundred two thousand, one hundred twelve".