10002111231 has 24 divisors (see below), whose sum is σ = 15776432640. Its totient is φ = 5618614512.

The previous prime is 10002111221. The next prime is 10002111241. The reversal of 10002111231 is 13211120001.

10002111231 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (10002111221) and next prime (10002111241).

It is not a de Polignac number, because 10002111231 - 2²³ = 9993722623 is a prime.

It is a super-2 number, since 2×10002111231² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10002111221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 567951 + ... + 585296.

It is an arithmetic number, because the mean of its divisors is an integer number (657351360).

Almost surely, 2^10002111231 is an apocalyptic number.

10002111231 is a deficient number, since it is larger than the sum of its proper divisors (5774321409).

10002111231 is a wasteful number, since it uses less digits than its factorization.

10002111231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1153323 (or 1153316 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 10002111231 its reverse (13211120001), we get a palindrome (23213231232).

The spelling of 10002111231 in words is "ten billion, two million, one hundred eleven thousand, two hundred thirty-one".