10002012111 has 160 divisors (see below), whose sum is σ = 18961958400. Its totient is φ = 5114430720.

The previous prime is 10002012109. The next prime is 10002012131. The reversal of 10002012111 is 11121020001.

It is a happy number.

10002012111 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10002012111 - 2¹ = 10002012109 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 10002012093 and 10002012102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10002012131) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 47402796 + ... + 47403006.

It is an arithmetic number, because the mean of its divisors is an integer number (118512240).

Almost surely, 2^10002012111 is an apocalyptic number.

10002012111 is a deficient number, since it is larger than the sum of its proper divisors (8959946289).

10002012111 is a wasteful number, since it uses less digits than its factorization.

10002012111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411 (or 402 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 10002012111 its reverse (11121020001), we get a palindrome (21123032112).

The spelling of 10002012111 in words is "ten billion, two million, twelve thousand, one hundred eleven".