202121211112 has 32 divisors (see below), whose sum is σ = 397227962880. Its totient is φ = 96233163840.

The previous prime is 202121211079. The next prime is 202121211113. The reversal of 202121211112 is 211112121202.

202121211112 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (202121211113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2421939 + ... + 2504002.

It is an arithmetic number, because the mean of its divisors is an integer number (12413373840).

Almost surely, 2^202121211112 is an apocalyptic number.

It is an amenable number.

202121211112 is a deficient number, since it is larger than the sum of its proper divisors (195106751768).

202121211112 is a wasteful number, since it uses less digits than its factorization.

202121211112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4926193 (or 4926189 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 202121211112 its reverse (211112121202), we get a palindrome (413233332314).

The spelling of 202121211112 in words is "two hundred two billion, one hundred twenty-one million, two hundred eleven thousand, one hundred twelve".