1101111222122 has 8 divisors (see below), whose sum is σ = 1651675836996. Its totient is φ = 550552609792.

The previous prime is 1101111222091. The next prime is 1101111222143. The reversal of 1101111222122 is 2212221111011.

It can be written as a sum of positive squares in 2 ways, for example, as 824320542241 + 276790679881 = 907921^2 + 526109^2 .

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 1101111222122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1009943 + ... + 1795050.

Almost surely, 2^{1101111222122} is an apocalyptic number.

1101111222122 is a deficient number, since it is larger than the sum of its proper divisors (550564614874).

1101111222122 is a wasteful number, since it uses less digits than its factorization.

1101111222122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3001272.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 1101111222122 its reverse (2212221111011), we get a palindrome (3313332333133).

The spelling of 1101111222122 in words is "one trillion, one hundred one billion, one hundred eleven million, two hundred twenty-two thousand, one hundred twenty-two".