2102112211112 has 8 divisors (see below), whose sum is σ = 3941460395850. Its totient is φ = 1051056105552.

The previous prime is 2102112211081. The next prime is 2102112211123. The reversal of 2102112211112 is 2111122112012.

It can be written as a sum of positive squares in only one way, i.e., 1680046299556 + 422065911556 = 1296166^2 + 649666^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131382013187 + ... + 131382013202.

Almost surely, 2^{2102112211112} is an apocalyptic number.

It is an amenable number.

2102112211112 is a deficient number, since it is larger than the sum of its proper divisors (1839348184738).

2102112211112 is a wasteful number, since it uses less digits than its factorization.

2102112211112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262764026395 (or 262764026391 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 2102112211112 its reverse (2111122112012), we get a palindrome (4213234323124).

The spelling of 2102112211112 in words is "two trillion, one hundred two billion, one hundred twelve million, two hundred eleven thousand, one hundred twelve".