2100112221112 has 8 divisors (see below), whose sum is σ = 3937710414600. Its totient is φ = 1050056110552.

The previous prime is 2100112221101. The next prime is 2100112221133. The reversal of 2100112221112 is 2111222110012.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131257013812 + ... + 131257013827.

It is an arithmetic number, because the mean of its divisors is an integer number (492213801825).

Almost surely, 2^{2100112221112} is an apocalyptic number.

It is an amenable number.

2100112221112 is a deficient number, since it is larger than the sum of its proper divisors (1837598193488).

2100112221112 is a wasteful number, since it uses less digits than its factorization.

2100112221112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262514027645 (or 262514027641 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2100112221112 its reverse (2111222110012), we get a palindrome (4211334331124).

The spelling of 2100112221112 in words is "two trillion, one hundred billion, one hundred twelve million, two hundred twenty-one thousand, one hundred twelve".