21134003144100 has 144 divisors (see below), whose sum is σ = 76236113243136. Its totient is φ = 4391481168000.

The previous prime is 21134003144077. The next prime is 21134003144113. The reversal of 21134003144100 is 144130043112.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 457422856 + ... + 457469055.

Almost surely, 2^{21134003144100} is an apocalyptic number.

21134003144100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21134003144100 is an abundant number, since it is smaller than the sum of its proper divisors (55102110099036).

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

21134003144100 is a wasteful number, since it uses less digits than its factorization.

21134003144100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 914891946 (or 914891939 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 21134003144100 its reverse (144130043112), we get a palindrome (21278133187212).

The spelling of 21134003144100 in words is "twenty-one trillion, one hundred thirty-four billion, three million, one hundred forty-four thousand, one hundred".