10228112252165 has 4 divisors (see below), whose sum is σ = 12273734702604. Its totient is φ = 8182489801728.

The previous prime is 10228112252119. The next prime is 10228112252221. The reversal of 10228112252165 is 56125221182201.

It is a Cunningham number, because it is equal to 3198142²+1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3682123480996 + 6545988771169 = 1918886^2 + 2558513^2 .

It is a cyclic number.

It is not a de Polignac number, because 10228112252165 - 2¹⁰ = 10228112251141 is a prime.

It is a super-2 number, since 2×10228112252165² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1022811225212 + ... + 1022811225221.

It is an arithmetic number, because the mean of its divisors is an integer number (3068433675651).

Almost surely, 2^{10228112252165} is an apocalyptic number.

It is an amenable number.

10228112252165 is a deficient number, since it is larger than the sum of its proper divisors (2045622450439).

10228112252165 is an equidigital number, since it uses as much as digits as its factorization.

10228112252165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2045622450438.

The product of its (nonzero) digits is 38400, while the sum is 38.

The spelling of 10228112252165 in words is "ten trillion, two hundred twenty-eight billion, one hundred twelve million, two hundred fifty-two thousand, one hundred sixty-five".