11122221170 has 16 divisors (see below), whose sum is σ = 20072828160. Its totient is φ = 4437148464.

The previous prime is 11122221139. The next prime is 11122221181. The reversal of 11122221170 is 7112222111.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1463522 + ... + 1471101.

It is an arithmetic number, because the mean of its divisors is an integer number (1254551760).

Almost surely, 2^11122221170 is an apocalyptic number.

11122221170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11122221170 is a deficient number, since it is larger than the sum of its proper divisors (8950606990).

11122221170 is a wasteful number, since it uses less digits than its factorization.

11122221170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2935009.

The product of its (nonzero) digits is 112, while the sum is 20.

Adding to 11122221170 its reverse (7112222111), we get a palindrome (18234443281).

The spelling of 11122221170 in words is "eleven billion, one hundred twenty-two million, two hundred twenty-one thousand, one hundred seventy".