2101112131230 has 48 divisors (see below), whose sum is σ = 6243304620384. Its totient is φ = 480254201280.

The previous prime is 2101112131193. The next prime is 2101112131231. The reversal of 2101112131230 is 321312111012.

2101112131230 is a `hidden beast` number, since 210 + 1 + 11 + 213 + 1 + 230 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101112131231) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1667548681 + ... + 1667549940.

It is an arithmetic number, because the mean of its divisors is an integer number (130068846258).

Almost surely, 2^{2101112131230} is an apocalyptic number.

2101112131230 is an abundant number, since it is smaller than the sum of its proper divisors (4142192489154).

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

2101112131230 is a wasteful number, since it uses less digits than its factorization.

2101112131230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3335098641 (or 3335098638 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 2101112131230 its reverse (321312111012), we get a palindrome (2422424242242).

The spelling of 2101112131230 in words is "two trillion, one hundred one billion, one hundred twelve million, one hundred thirty-one thousand, two hundred thirty".