2100202022112 has 48 divisors (see below), whose sum is σ = 5518102367232. Its totient is φ = 699423269760.

The previous prime is 2100202022077. The next prime is 2100202022119. The reversal of 2100202022112 is 2112202020012.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 2100202022091 and 2100202022100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100202022119) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 9958714 + ... + 10167417.

It is an arithmetic number, because the mean of its divisors is an integer number (114960465984).

Almost surely, 2^{2100202022112} is an apocalyptic number.

It is an amenable number.

2100202022112 is an abundant number, since it is smaller than the sum of its proper divisors (3417900345120).

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

2100202022112 is a wasteful number, since it uses less digits than its factorization.

2100202022112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20127231 (or 20127223 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2100202022112 its reverse (2112202020012), we get a palindrome (4212404042124).

The spelling of 2100202022112 in words is "two trillion, one hundred billion, two hundred two million, twenty-two thousand, one hundred twelve".