21102202201112 has 16 divisors (see below), whose sum is σ = 39577784136360. Its totient is φ = 10548126431424.

The previous prime is 21102202201063. The next prime is 21102202201141. The reversal of 21102202201112 is 21110220220112.

It is a super-2 number, since 2×21102202201112² (a number of 27 digits) contains 22 as substring.

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, 371803493 + ... + 371860244.

Almost surely, 2^{21102202201112} is an apocalyptic number.

It is an amenable number.

21102202201112 is a deficient number, since it is larger than the sum of its proper divisors (18475581935248).

21102202201112 is a wasteful number, since it uses less digits than its factorization.

21102202201112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 743667290 (or 743667286 counting only the distinct ones).

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

Adding to 21102202201112 its reverse (21110220220112), we get a palindrome (42212422421224).

The spelling of 21102202201112 in words is "twenty-one trillion, one hundred two billion, two hundred two million, two hundred one thousand, one hundred twelve".