11110122212 has 36 divisors (see below), whose sum is σ = 22624137900. Its totient is φ = 4759985664.

The previous prime is 11110122203. The next prime is 11110122229. The reversal of 11110122212 is 21222101111.

It can be written as a sum of positive squares in 2 ways, for example, as 524593216 + 10585528996 = 22904^2 + 102886^2 .

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 807164 + ... + 820812.

It is an arithmetic number, because the mean of its divisors is an integer number (628448275).

Almost surely, 2^11110122212 is an apocalyptic number.

It is an amenable number.

11110122212 is an abundant number, since it is smaller than the sum of its proper divisors (11514015688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11110122212 is a wasteful number, since it uses less digits than its factorization.

11110122212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17820 (or 17811 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11110122212 its reverse (21222101111), we get a palindrome (32332223323).

The spelling of 11110122212 in words is "eleven billion, one hundred ten million, one hundred twenty-two thousand, two hundred twelve".