2112022144 has 16 divisors (see below), whose sum is σ = 4207544370. Its totient is φ = 1056011008.

The previous prime is 2112022141. The next prime is 2112022147. The reversal of 2112022144 is 4412202112.

It is an interprime number because it is at equal distance from previous prime (2112022141) and next prime (2112022147).

It can be written as a sum of positive squares in only one way, i.e., 1264513600 + 847508544 = 35560^2 + 29112^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is not an unprimeable number, because it can be changed into a prime (2112022141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8249959 + ... + 8250214.

Almost surely, 2^2112022144 is an apocalyptic number.

It is an amenable number.

2112022144 is a deficient number, since it is larger than the sum of its proper divisors (2095522226).

2112022144 is an equidigital number, since it uses as much as digits as its factorization.

2112022144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16500187 (or 16500175 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 2112022144 is about 45956.7420951486. The cubic root of 2112022144 is about 1283.0182160509.

Adding to 2112022144 its reverse (4412202112), we get a palindrome (6524224256).

It can be divided in two parts, 21120 and 22144, that added together give a square (43264 = 208²).

The spelling of 2112022144 in words is "two billion, one hundred twelve million, twenty-two thousand, one hundred forty-four".