2011111210134 has 24 divisors (see below), whose sum is σ = 4692592824192. Its totient is φ = 618803449200.

The previous prime is 2011111210051. The next prime is 2011111210139. The reversal of 2011111210134 is 4310121111102.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011111210139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4297245942 + ... + 4297246409.

It is an arithmetic number, because the mean of its divisors is an integer number (195524701008).

Almost surely, 2^{2011111210134} is an apocalyptic number.

2011111210134 is an abundant number, since it is smaller than the sum of its proper divisors (2681481614058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2011111210134 is a wasteful number, since it uses less digits than its factorization.

2011111210134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8594492372 (or 8594492369 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 2011111210134 its reverse (4310121111102), we get a palindrome (6321232321236).

The spelling of 2011111210134 in words is "two trillion, eleven billion, one hundred eleven million, two hundred ten thousand, one hundred thirty-four".