2112154254 has 24 divisors (see below), whose sum is σ = 5230096560. Its totient is φ = 603472608.

The previous prime is 2112154223. The next prime is 2112154267. The reversal of 2112154254 is 4524512112.

It is a happy number.

2112154254 is a `hidden beast` number, since 2 + 112 + 1 + 542 + 5 + 4 = 666.

It is a super-2 number, since 2×2112154254² = 8922391185380593032, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8381439 + ... + 8381690.

It is an arithmetic number, because the mean of its divisors is an integer number (217920690).

Almost surely, 2^2112154254 is an apocalyptic number.

2112154254 is an abundant number, since it is smaller than the sum of its proper divisors (3117942306).

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

2112154254 is a wasteful number, since it uses less digits than its factorization.

2112154254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16763144 (or 16763141 counting only the distinct ones).

The product of its digits is 3200, while the sum is 27.

The square root of 2112154254 is about 45958.1794025830. The cubic root of 2112154254 is about 1283.0449670334.

Adding to 2112154254 its reverse (4524512112), we get a palindrome (6636666366).

The spelling of 2112154254 in words is "two billion, one hundred twelve million, one hundred fifty-four thousand, two hundred fifty-four".