2102311222112 has 24 divisors (see below), whose sum is σ = 4318878490416. Its totient is φ = 1005453192832.

The previous prime is 2102311222087. The next prime is 2102311222129. The reversal of 2102311222112 is 2112221132012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1428199823 + ... + 1428201294.

It is an arithmetic number, because the mean of its divisors is an integer number (179953270434).

Almost surely, 2^{2102311222112} is an apocalyptic number.

It is an amenable number.

2102311222112 is an abundant number, since it is smaller than the sum of its proper divisors (2216567268304).

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

2102311222112 is a wasteful number, since it uses less digits than its factorization.

2102311222112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2856401150 (or 2856401142 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 2102311222112 its reverse (2112221132012), we get a palindrome (4214532354124).

The spelling of 2102311222112 in words is "two trillion, one hundred two billion, three hundred eleven million, two hundred twenty-two thousand, one hundred twelve".