2112421294 has 16 divisors (see below), whose sum is σ = 3217414032. Its totient is φ = 1039998528.

The previous prime is 2112421291. The next prime is 2112421327. The reversal of 2112421294 is 4921242112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112421291) 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, 77697 + ... + 101299.

It is an arithmetic number, because the mean of its divisors is an integer number (201088377).

Almost surely, 2^2112421294 is an apocalyptic number.

2112421294 is a deficient number, since it is larger than the sum of its proper divisors (1104992738).

2112421294 is a wasteful number, since it uses less digits than its factorization.

2112421294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24291.

The product of its digits is 2304, while the sum is 28.

The square root of 2112421294 is about 45961.0845607455. The cubic root of 2112421294 is about 1283.0990366149.

The spelling of 2112421294 in words is "two billion, one hundred twelve million, four hundred twenty-one thousand, two hundred ninety-four".