111202022122 has 8 divisors (see below), whose sum is σ = 170871399972. Its totient is φ = 54244888800.

The previous prime is 111202022119. The next prime is 111202022159. The reversal of 111202022122 is 221220202111.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 68116302081 + 43085720041 = 260991^2 + 207571^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 111202022096 and 111202022105.

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 3 ways as a sum of consecutive naturals, for example, 678061029 + ... + 678061192.

Almost surely, 2^111202022122 is an apocalyptic number.

111202022122 is a deficient number, since it is larger than the sum of its proper divisors (59669377850).

111202022122 is a wasteful number, since it uses less digits than its factorization.

111202022122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1356122264.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 111202022122 its reverse (221220202111), we get a palindrome (332422224233).

The spelling of 111202022122 in words is "one hundred eleven billion, two hundred two million, twenty-two thousand, one hundred twenty-two".