202211222112 has 36 divisors (see below), whose sum is σ = 575038163700. Its totient is φ = 67403740608.

The previous prime is 202211222111. The next prime is 202211222131. The reversal of 202211222112 is 211222112202.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202211222111) 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 5 ways as a sum of consecutive naturals, for example, 351060862 + ... + 351061437.

It is an arithmetic number, because the mean of its divisors is an integer number (15973282325).

Almost surely, 2^202211222112 is an apocalyptic number.

It is an amenable number.

202211222112 is an abundant number, since it is smaller than the sum of its proper divisors (372826941588).

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

202211222112 is a wasteful number, since it uses less digits than its factorization.

202211222112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702122315 (or 702122304 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 202211222112 its reverse (211222112202), we get a palindrome (413433334314).

It can be divided in two parts, 202 and 211222112, that multiplied together give a palindrome (42666866624).

The spelling of 202211222112 in words is "two hundred two billion, two hundred eleven million, two hundred twenty-two thousand, one hundred twelve".