11122111110212 has 6 divisors (see below), whose sum is σ = 19463694442878. Its totient is φ = 5561055555104.

The previous prime is 11122111110203. The next prime is 11122111110217. The reversal of 11122111110212 is 21201111122111.

It can be written as a sum of positive squares in only one way, i.e., 10009984788736 + 1112126321476 = 3163856^2 + 1054574^2 .

It is not an unprimeable number, because it can be changed into a prime (11122111110217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1390263888773 + ... + 1390263888780.

It is an arithmetic number, because the mean of its divisors is an integer number (3243949073813).

Almost surely, 2^{11122111110212} is an apocalyptic number.

It is an amenable number.

11122111110212 is a deficient number, since it is larger than the sum of its proper divisors (8341583332666).

11122111110212 is a wasteful number, since it uses less digits than its factorization.

11122111110212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2780527777557 (or 2780527777555 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 11122111110212 its reverse (21201111122111), we get a palindrome (32323222232323).

The spelling of 11122111110212 in words is "eleven trillion, one hundred twenty-two billion, one hundred eleven million, one hundred ten thousand, two hundred twelve".