10315625127221 has 16 divisors (see below), whose sum is σ = 10476759779136. Its totient is φ = 10155375998976.

The previous prime is 10315625127193. The next prime is 10315625127233. The reversal of 10315625127221 is 12272152651301.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10315625127221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10315625127271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 269508341 + ... + 269546613.

It is an arithmetic number, because the mean of its divisors is an integer number (654797486196).

Almost surely, 2^{10315625127221} is an apocalyptic number.

It is an amenable number.

10315625127221 is a deficient number, since it is larger than the sum of its proper divisors (161134651915).

10315625127221 is a wasteful number, since it uses less digits than its factorization.

10315625127221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49732.

The product of its (nonzero) digits is 50400, while the sum is 38.

Adding to 10315625127221 its reverse (12272152651301), we get a palindrome (22587777778522).

The spelling of 10315625127221 in words is "ten trillion, three hundred fifteen billion, six hundred twenty-five million, one hundred twenty-seven thousand, two hundred twenty-one".