21110001112 has 32 divisors (see below), whose sum is σ = 40628538000. Its totient is φ = 10279152000.

The previous prime is 21110001103. The next prime is 21110001131.

21110001112 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164862 + ... + 263437.

Almost surely, 2^21110001112 is an apocalyptic number.

It is an amenable number.

21110001112 is a deficient number, since it is larger than the sum of its proper divisors (19518536888).

21110001112 is a wasteful number, since it uses less digits than its factorization.

21110001112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428467 (or 428463 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

It can be divided in two parts, 2111000 and 1112, that added together give a palindrome (2112112).

The spelling of 21110001112 in words is "twenty-one billion, one hundred ten million, one thousand, one hundred twelve".