2112423102 has 24 divisors (see below), whose sum is σ = 4578203136. Its totient is φ = 703943136.

The previous prime is 2112423091. The next prime is 2112423121. The reversal of 2112423102 is 2013242112.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58563 + ... + 87489.

It is an arithmetic number, because the mean of its divisors is an integer number (190758464).

Almost surely, 2^2112423102 is an apocalyptic number.

2112423102 is an abundant number, since it is smaller than the sum of its proper divisors (2465780034).

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

2112423102 is a wasteful number, since it uses less digits than its factorization.

2112423102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32992 (or 32989 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 2112423102 is about 45961.1042295548. The cubic root of 2112423102 is about 1283.0994026786.

Adding to 2112423102 its reverse (2013242112), we get a palindrome (4125665214).

The spelling of 2112423102 in words is "two billion, one hundred twelve million, four hundred twenty-three thousand, one hundred two".