202111113222 has 16 divisors (see below), whose sum is σ = 449135807280. Its totient is φ = 67370371056.

The previous prime is 202111113181. The next prime is 202111113287. The reversal of 202111113222 is 222311111202.

202111113222 is a `hidden beast` number, since 20 + 211 + 111 + 322 + 2 = 666.

It is a super-2 number, since 2×202111113222² (a number of 23 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 202111113195 and 202111113204.

It is a congruent number.

It is an unprimeable number.

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, 1871399143 + ... + 1871399250.

It is an arithmetic number, because the mean of its divisors is an integer number (28070987955).

Almost surely, 2^202111113222 is an apocalyptic number.

202111113222 is an abundant number, since it is smaller than the sum of its proper divisors (247024694058).

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

202111113222 is a wasteful number, since it uses less digits than its factorization.

202111113222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3742798404 (or 3742798398 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 202111113222 its reverse (222311111202), we get a palindrome (424422224424).

The spelling of 202111113222 in words is "two hundred two billion, one hundred eleven million, one hundred thirteen thousand, two hundred twenty-two".