2112144194 has 4 divisors (see below), whose sum is σ = 3168216294. Its totient is φ = 1056072096.

The previous prime is 2112144193. The next prime is 2112144227. The reversal of 2112144194 is 4914412112.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1786161169 + 325983025 = 42263^2 + 18055^2 .

It is a super-2 number, since 2×2112144194² = 8922306192495819272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2112144193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528036047 + ... + 528036050.

Almost surely, 2^2112144194 is an apocalyptic number.

2112144194 is a deficient number, since it is larger than the sum of its proper divisors (1056072100).

2112144194 is a wasteful number, since it uses less digits than its factorization.

2112144194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1056072099.

The product of its digits is 2304, while the sum is 29.

The square root of 2112144194 is about 45958.0699551232. The cubic root of 2112144194 is about 1283.0429300211.

The spelling of 2112144194 in words is "two billion, one hundred twelve million, one hundred forty-four thousand, one hundred ninety-four".