2102112212182 has 4 divisors (see below), whose sum is σ = 3153168318276. Its totient is φ = 1051056106090.

The previous prime is 2102112212177. The next prime is 2102112212183. The reversal of 2102112212182 is 2812122112012.

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

It is a super-2 number, since 2×2102112212182² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102112212183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525528053044 + ... + 525528053047.

It is an arithmetic number, because the mean of its divisors is an integer number (788292079569).

Almost surely, 2^{2102112212182} is an apocalyptic number.

2102112212182 is a deficient number, since it is larger than the sum of its proper divisors (1051056106094).

2102112212182 is a wasteful number, since it uses less digits than its factorization.

2102112212182 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1051056106093.

The product of its (nonzero) digits is 512, while the sum is 25.

Adding to 2102112212182 its reverse (2812122112012), we get a palindrome (4914234324194).

The spelling of 2102112212182 in words is "two trillion, one hundred two billion, one hundred twelve million, two hundred twelve thousand, one hundred eighty-two".