21411003112 has 16 divisors (see below), whose sum is σ = 40401337860. Its totient is φ = 10637313024.

The previous prime is 21411003077. The next prime is 21411003139. The reversal of 21411003112 is 21130011412.

It can be written as a sum of positive squares in 2 ways, for example, as 20222546436 + 1188456676 = 142206^2 + 34474^2 .

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, 8522233 + ... + 8524744.

Almost surely, 2^21411003112 is an apocalyptic number.

It is an amenable number.

21411003112 is a deficient number, since it is larger than the sum of its proper divisors (18990334748).

21411003112 is a wasteful number, since it uses less digits than its factorization.

21411003112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17047140 (or 17047136 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 21411003112 its reverse (21130011412), we get a palindrome (42541014524).

The spelling of 21411003112 in words is "twenty-one billion, four hundred eleven million, three thousand, one hundred twelve".