2101202112 has 56 divisors (see below), whose sum is σ = 5695047792. Its totient is φ = 683315200.

The previous prime is 2101202111. The next prime is 2101202137. The reversal of 2101202112 is 2112021012.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (2101202111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125589 + ... + 141332.

It is an arithmetic number, because the mean of its divisors is an integer number (101697282).

Almost surely, 2^2101202112 is an apocalyptic number.

It is an amenable number.

2101202112 is an abundant number, since it is smaller than the sum of its proper divisors (3593845680).

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

2101202112 is a wasteful number, since it uses less digits than its factorization.

2101202112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266977 (or 266967 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 2101202112 is about 45838.8711902900. The cubic root of 2101202112 is about 1280.8234675176.

Adding to 2101202112 its reverse (2112021012), we get a palindrome (4213223124).

The spelling of 2101202112 in words is "two billion, one hundred one million, two hundred two thousand, one hundred twelve".