2111131122174 has 16 divisors (see below), whose sum is σ = 4691402493840. Its totient is φ = 703710374040.

The previous prime is 2111131122173. The next prime is 2111131122211. The reversal of 2111131122174 is 4712211311112.

2111131122174 is a `hidden beast` number, since 21 + 111 + 311 + 2 + 217 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111131122173) 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, 19547510337 + ... + 19547510444.

It is an arithmetic number, because the mean of its divisors is an integer number (293212655865).

Almost surely, 2^{2111131122174} is an apocalyptic number.

2111131122174 is an abundant number, since it is smaller than the sum of its proper divisors (2580271371666).

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

2111131122174 is a wasteful number, since it uses less digits than its factorization.

2111131122174 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39095020792 (or 39095020786 counting only the distinct ones).

The product of its digits is 672, while the sum is 27.

Adding to 2111131122174 its reverse (4712211311112), we get a palindrome (6823342433286).

The spelling of 2111131122174 in words is "two trillion, one hundred eleven billion, one hundred thirty-one million, one hundred twenty-two thousand, one hundred seventy-four".