2102112029 has 4 divisors (see below), whose sum is σ = 2102203776. Its totient is φ = 2102020284.

The previous prime is 2102112017. The next prime is 2102112037. The reversal of 2102112029 is 9202112012.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2102112029 - 2⁴ = 2102112013 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2102112029.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102112629) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20702 + ... + 68064.

It is an arithmetic number, because the mean of its divisors is an integer number (525550944).

Almost surely, 2^2102112029 is an apocalyptic number.

It is an amenable number.

2102112029 is a deficient number, since it is larger than the sum of its proper divisors (91747).

2102112029 is an equidigital number, since it uses as much as digits as its factorization.

2102112029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91746.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 2102112029 is about 45848.7952840639. The cubic root of 2102112029 is about 1281.0083259614.

The spelling of 2102112029 in words is "two billion, one hundred two million, one hundred twelve thousand, twenty-nine".