21110022001112 has 32 divisors (see below), whose sum is σ = 43179811430400. Its totient is φ = 9595415440800.

The previous prime is 21110022001109. The next prime is 21110022001129.

21110022001112 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20965937 + ... + 21949727.

It is an arithmetic number, because the mean of its divisors is an integer number (1349369107200).

Almost surely, 2^{21110022001112} is an apocalyptic number.

21110022001112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

21110022001112 is an abundant number, since it is smaller than the sum of its proper divisors (22069789429288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21110022001112 is a wasteful number, since it uses less digits than its factorization.

21110022001112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1227647 (or 1227643 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

It can be divided in two parts, 2111002 and 2001112, that added together give a palindrome (4112114).

The spelling of 21110022001112 in words is "twenty-one trillion, one hundred ten billion, twenty-two million, one thousand, one hundred twelve".