2102001202112 has 56 divisors (see below), whose sum is σ = 5047452484704. Its totient is φ = 847866028032.

The previous prime is 2102001202111. The next prime is 2102001202127. The reversal of 2102001202112 is 2112021002012.

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102001202111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137991413 + ... + 138006644.

It is an arithmetic number, because the mean of its divisors is an integer number (90133080084).

Almost surely, 2^{2102001202112} is an apocalyptic number.

It is an amenable number.

2102001202112 is an abundant number, since it is smaller than the sum of its proper divisors (2945451282592).

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

2102001202112 is a wasteful number, since it uses less digits than its factorization.

2102001202112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275998093 (or 275998083 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2102001202112 its reverse (2112021002012), we get a palindrome (4214022204124).

The spelling of 2102001202112 in words is "two trillion, one hundred two billion, one million, two hundred two thousand, one hundred twelve".