10686921211 has 8 divisors (see below), whose sum is σ = 10732857200. Its totient is φ = 10641038688.

The previous prime is 10686921199. The next prime is 10686921247. The reversal of 10686921211 is 11212968601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10686921211 - 2¹¹ = 10686919163 is a prime.

It is a super-2 number, since 2×10686921211² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10686921911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 416620 + ... + 441526.

It is an arithmetic number, because the mean of its divisors is an integer number (1341607150).

Almost surely, 2^10686921211 is an apocalyptic number.

10686921211 is a deficient number, since it is larger than the sum of its proper divisors (45935989).

10686921211 is a wasteful number, since it uses less digits than its factorization.

10686921211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26733.

The product of its (nonzero) digits is 10368, while the sum is 37.

The spelling of 10686921211 in words is "ten billion, six hundred eighty-six million, nine hundred twenty-one thousand, two hundred eleven".