21114422104 has 32 divisors (see below), whose sum is σ = 39692373840. Its totient is φ = 10529827200.

The previous prime is 21114422101. The next prime is 21114422113. The reversal of 21114422104 is 40122441112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21114422101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9860874 + ... + 9863014.

Almost surely, 2^21114422104 is an apocalyptic number.

It is an amenable number.

21114422104 is a deficient number, since it is larger than the sum of its proper divisors (18577951736).

21114422104 is a wasteful number, since it uses less digits than its factorization.

21114422104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4771 (or 4767 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 21114422104 its reverse (40122441112), we get a palindrome (61236863216).

The spelling of 21114422104 in words is "twenty-one billion, one hundred fourteen million, four hundred twenty-two thousand, one hundred four".