21010500140315 has 16 divisors (see below), whose sum is σ = 28858124655360. Its totient is φ = 14385337864800.

The previous prime is 21010500140299. The next prime is 21010500140327. The reversal of 21010500140315 is 51304100501012.

It is not a de Polignac number, because 21010500140315 - 2⁴ = 21010500140299 is a prime.

It is a super-2 number, since 2×21010500140315² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 455439761 + ... + 455485890.

It is an arithmetic number, because the mean of its divisors is an integer number (1803632790960).

Almost surely, 2^{21010500140315} is an apocalyptic number.

21010500140315 is a deficient number, since it is larger than the sum of its proper divisors (7847624515045).

21010500140315 is an equidigital number, since it uses as much as digits as its factorization.

21010500140315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 910926322.

The product of its (nonzero) digits is 600, while the sum is 23.

Adding to 21010500140315 its reverse (51304100501012), we get a palindrome (72314600641327).

The spelling of 21010500140315 in words is "twenty-one trillion, ten billion, five hundred million, one hundred forty thousand, three hundred fifteen".