21322130109016 has 16 divisors (see below), whose sum is σ = 43613447950440. Its totient is φ = 9691877322240.

The previous prime is 21322130108953. The next prime is 21322130109017. The reversal of 21322130109016 is 61090103122312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21322130109017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121148466441 + ... + 121148466616.

Almost surely, 2^{21322130109016} is an apocalyptic number.

It is an amenable number.

21322130109016 is an abundant number, since it is smaller than the sum of its proper divisors (22291317841424).

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

21322130109016 is a wasteful number, since it uses less digits than its factorization.

21322130109016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242296933074 (or 242296933070 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 31.

The spelling of 21322130109016 in words is "twenty-one trillion, three hundred twenty-two billion, one hundred thirty million, one hundred nine thousand, sixteen".