21300010515116 has 24 divisors (see below), whose sum is σ = 38712591257760. Its totient is φ = 10245738425472.

The previous prime is 21300010515073. The next prime is 21300010515127. The reversal of 21300010515116 is 61151501000312.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 808520480 + ... + 808546823.

It is an arithmetic number, because the mean of its divisors is an integer number (1613024635740).

Almost surely, 2^{21300010515116} is an apocalyptic number.

It is an amenable number.

21300010515116 is a deficient number, since it is larger than the sum of its proper divisors (17412580742644).

21300010515116 is a wasteful number, since it uses less digits than its factorization.

21300010515116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1617067433 (or 1617067431 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 26.

Adding to 21300010515116 its reverse (61151501000312), we get a palindrome (82451511515428).

The spelling of 21300010515116 in words is "twenty-one trillion, three hundred billion, ten million, five hundred fifteen thousand, one hundred sixteen".