10514165221 has 16 divisors (see below), whose sum is σ = 12427223040. Its totient is φ = 8708721840.

The previous prime is 10514165161. The next prime is 10514165227. The reversal of 10514165221 is 12256141501.

It is not a de Polignac number, because 10514165221 - 2²¹ = 10512068069 is a prime.

It is a super-2 number, since 2×10514165221² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10514165221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10514165227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 176275 + ... + 228256.

It is an arithmetic number, because the mean of its divisors is an integer number (776701440).

Almost surely, 2^10514165221 is an apocalyptic number.

It is an amenable number.

10514165221 is a deficient number, since it is larger than the sum of its proper divisors (1913057819).

10514165221 is an equidigital number, since it uses as much as digits as its factorization.

10514165221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404664.

The product of its (nonzero) digits is 2400, while the sum is 28.

The spelling of 10514165221 in words is "ten billion, five hundred fourteen million, one hundred sixty-five thousand, two hundred twenty-one".