1110212112122 has 4 divisors (see below), whose sum is σ = 1665318168186. Its totient is φ = 555106056060.

The previous prime is 1110212112071. The next prime is 1110212112193. The reversal of 1110212112122 is 2212112120111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1057012228321 + 53199883801 = 1028111^2 + 230651^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1110212112122.

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 as a sum of consecutive naturals, namely, 277553028029 + ... + 277553028032.

Almost surely, 2^{1110212112122} is an apocalyptic number.

1110212112122 is a deficient number, since it is larger than the sum of its proper divisors (555106056064).

1110212112122 is an equidigital number, since it uses as much as digits as its factorization.

1110212112122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555106056063.

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

Adding to 1110212112122 its reverse (2212112120111), we get a palindrome (3322324232233).

The spelling of 1110212112122 in words is "one trillion, one hundred ten billion, two hundred twelve million, one hundred twelve thousand, one hundred twenty-two".