1222111011122 has 8 divisors (see below), whose sum is σ = 1833707443500. Its totient is φ = 610875196624.

The previous prime is 1222111011103. The next prime is 1222111011179. The reversal of 1222111011122 is 2211101112221.

It can be written as a sum of positive squares in 2 ways, for example, as 784926893521 + 437184117601 = 885961^2 + 661199^2 .

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 1222111011122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90145997 + ... + 90159552.

Almost surely, 2^{1222111011122} is an apocalyptic number.

1222111011122 is a deficient number, since it is larger than the sum of its proper divisors (611596432378).

1222111011122 is a wasteful number, since it uses less digits than its factorization.

1222111011122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180308940.

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

Adding to 1222111011122 its reverse (2211101112221), we get a palindrome (3433212123343).

The spelling of 1222111011122 in words is "one trillion, two hundred twenty-two billion, one hundred eleven million, eleven thousand, one hundred twenty-two".