21111400411112 has 16 divisors (see below), whose sum is σ = 43182409932000. Its totient is φ = 9596091095920.

The previous prime is 21111400411091. The next prime is 21111400411117.

21111400411112 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×21111400411112² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21111400411117) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 119951138612 + ... + 119951138787.

It is an arithmetic number, because the mean of its divisors is an integer number (2698900620750).

Almost surely, 2^{21111400411112} is an apocalyptic number.

21111400411112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

21111400411112 is an abundant number, since it is smaller than the sum of its proper divisors (22071009520888).

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

21111400411112 is a wasteful number, since it uses less digits than its factorization.

21111400411112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239902277416 (or 239902277412 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 20.

It can be divided in two parts, 21111400 and 411112, that added together give a palindrome (21522512).

The spelling of 21111400411112 in words is "twenty-one trillion, one hundred eleven billion, four hundred million, four hundred eleven thousand, one hundred twelve".