10550112321 has 64 divisors (see below), whose sum is σ = 16794925056. Its totient is φ = 5767027200.

The previous prime is 10550112299. The next prime is 10550112323. The reversal of 10550112321 is 12321105501.

It is not a de Polignac number, because 10550112321 - 2¹¹ = 10550110273 is a prime.

It is a super-2 number, since 2×10550112321² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10550112323) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7122901 + ... + 7124381.

It is an arithmetic number, because the mean of its divisors is an integer number (262420704).

Almost surely, 2^10550112321 is an apocalyptic number.

It is an amenable number.

10550112321 is a deficient number, since it is larger than the sum of its proper divisors (6244812735).

10550112321 is a wasteful number, since it uses less digits than its factorization.

10550112321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1702.

The product of its (nonzero) digits is 300, while the sum is 21.

Adding to 10550112321 its reverse (12321105501), we get a palindrome (22871217822).

The spelling of 10550112321 in words is "ten billion, five hundred fifty million, one hundred twelve thousand, three hundred twenty-one".