202111202012 has 48 divisors (see below), whose sum is σ = 376868298240. Its totient is φ = 94510328832.

The previous prime is 202111202011. The next prime is 202111202017. The reversal of 202111202012 is 210202111202.

202111202012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202111202011) 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 15 ways as a sum of consecutive naturals, for example, 30077189 + ... + 30083907.

It is an arithmetic number, because the mean of its divisors is an integer number (7851422880).

Almost surely, 2^202111202012 is an apocalyptic number.

It is an amenable number.

202111202012 is a deficient number, since it is larger than the sum of its proper divisors (174757096228).

202111202012 is a wasteful number, since it uses less digits than its factorization.

202111202012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9470 (or 9468 counting only the distinct ones).

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

Adding to 202111202012 its reverse (210202111202), we get a palindrome (412313313214).

The spelling of 202111202012 in words is "two hundred two billion, one hundred eleven million, two hundred two thousand, twelve".