22021212100112 has 40 divisors (see below), whose sum is σ = 42808942894560. Its totient is φ = 10973753706240.

The previous prime is 22021212100093. The next prime is 22021212100141. The reversal of 22021212100112 is 21100121212022.

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 7 ways as a sum of consecutive naturals, for example, 32815787 + ... + 33480117.

It is an arithmetic number, because the mean of its divisors is an integer number (1070223572364).

Almost surely, 2^{22021212100112} is an apocalyptic number.

It is an amenable number.

22021212100112 is a deficient number, since it is larger than the sum of its proper divisors (20787730794448).

22021212100112 is a wasteful number, since it uses less digits than its factorization.

22021212100112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671271 (or 671265 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 22021212100112 its reverse (21100121212022), we get a palindrome (43121333312134).

The spelling of 22021212100112 in words is "twenty-two trillion, twenty-one billion, two hundred twelve million, one hundred thousand, one hundred twelve".