111210222122 has 8 divisors (see below), whose sum is σ = 170883999972. Its totient is φ = 54248888800.

The previous prime is 111210222119. The next prime is 111210222131. The reversal of 111210222122 is 221222012111.

It can be written as a sum of positive squares in 2 ways, for example, as 110856368401 + 353853721 = 332951^2 + 18811^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 111210222122.

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, 678111029 + ... + 678111192.

Almost surely, 2^111210222122 is an apocalyptic number.

111210222122 is a deficient number, since it is larger than the sum of its proper divisors (59673777850).

111210222122 is a wasteful number, since it uses less digits than its factorization.

111210222122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1356222264.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 111210222122 its reverse (221222012111), we get a palindrome (332432234233).

The spelling of 111210222122 in words is "one hundred eleven billion, two hundred ten million, two hundred twenty-two thousand, one hundred twenty-two".