21114133112 has 8 divisors (see below), whose sum is σ = 39588999600. Its totient is φ = 10557066552.

The previous prime is 21114133109. The next prime is 21114133141. The reversal of 21114133112 is 21133141112.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1319633312 + ... + 1319633327.

It is an arithmetic number, because the mean of its divisors is an integer number (4948624950).

Almost surely, 2^21114133112 is an apocalyptic number.

It is an amenable number.

21114133112 is a deficient number, since it is larger than the sum of its proper divisors (18474866488).

21114133112 is a wasteful number, since it uses less digits than its factorization.

21114133112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2639266645 (or 2639266641 counting only the distinct ones).

The product of its digits is 144, while the sum is 20.

Adding to 21114133112 its reverse (21133141112), we get a palindrome (42247274224).

The spelling of 21114133112 in words is "twenty-one billion, one hundred fourteen million, one hundred thirty-three thousand, one hundred twelve".