10002821111 has 12 divisors (see below), whose sum is σ = 10657812120. Its totient is φ = 9362061360.

The previous prime is 10002821033. The next prime is 10002821113. The reversal of 10002821111 is 11112820001.

It is not a de Polignac number, because 10002821111 - 2³⁰ = 8929079287 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10002821111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10002821113) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 92681 + ... + 169101.

It is an arithmetic number, because the mean of its divisors is an integer number (888151010).

Almost surely, 2^10002821111 is an apocalyptic number.

10002821111 is a deficient number, since it is larger than the sum of its proper divisors (654991009).

10002821111 is an frugal number, since it uses more digits than its factorization.

10002821111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76606 (or 76523 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

The spelling of 10002821111 in words is "ten billion, two million, eight hundred twenty-one thousand, one hundred eleven".