21114414124 has 12 divisors (see below), whose sum is σ = 36967197400. Its totient is φ = 10552357728.

The previous prime is 21114414109. The next prime is 21114414133. The reversal of 21114414124 is 42141441112.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1202529 + ... + 1219960.

Almost surely, 2^21114414124 is an apocalyptic number.

It is an amenable number.

21114414124 is a deficient number, since it is larger than the sum of its proper divisors (15852783276).

21114414124 is a wasteful number, since it uses less digits than its factorization.

21114414124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2424672 (or 2424670 counting only the distinct ones).

The product of its digits is 1024, while the sum is 25.

Adding to 21114414124 its reverse (42141441112), we get a palindrome (63255855236).

The spelling of 21114414124 in words is "twenty-one billion, one hundred fourteen million, four hundred fourteen thousand, one hundred twenty-four".