10688230121 has 4 divisors (see below), whose sum is σ = 10750011972. Its totient is φ = 10626448272.

The previous prime is 10688230079. The next prime is 10688230153. The reversal of 10688230121 is 12103288601.

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 8589582400 + 2098647721 = 92680^2 + 45811^2 .

It is a cyclic number.

It is not a de Polignac number, because 10688230121 - 2⁶ = 10688230057 is a prime.

It is a super-2 number, since 2×10688230121² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10688230171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30890666 + ... + 30891011.

It is an arithmetic number, because the mean of its divisors is an integer number (2687502993).

Almost surely, 2^10688230121 is an apocalyptic number.

It is an amenable number.

10688230121 is a deficient number, since it is larger than the sum of its proper divisors (61781851).

10688230121 is an equidigital number, since it uses as much as digits as its factorization.

10688230121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61781850.

The product of its (nonzero) digits is 4608, while the sum is 32.

The spelling of 10688230121 in words is "ten billion, six hundred eighty-eight million, two hundred thirty thousand, one hundred twenty-one".