212111102202 has 32 divisors (see below), whose sum is σ = 438987962880. Its totient is φ = 68244267840.

The previous prime is 212111102191. The next prime is 212111102207. The reversal of 212111102202 is 202201111212.

212111102202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×212111102202² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (212111102207) 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, 371223 + ... + 749685.

It is an arithmetic number, because the mean of its divisors is an integer number (13718373840).

Almost surely, 2^212111102202 is an apocalyptic number.

212111102202 is an abundant number, since it is smaller than the sum of its proper divisors (226876860678).

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

212111102202 is a wasteful number, since it uses less digits than its factorization.

212111102202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381718.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 212111102202 its reverse (202201111212), we get a palindrome (414312213414).

The spelling of 212111102202 in words is "two hundred twelve billion, one hundred eleven million, one hundred two thousand, two hundred two".