1101111122 has 16 divisors (see below), whose sum is σ = 1701753432. Its totient is φ = 534107520.

The previous prime is 1101111107. The next prime is 1101111149. The reversal of 1101111122 is 2211111011.

It can be written as a sum of positive squares in 4 ways, for example, as 401561521 + 699549601 = 20039^2 + 26449^2 .

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, 52913 + ... + 70724.

Almost surely, 2^1101111122 is an apocalyptic number.

1101111122 is a deficient number, since it is larger than the sum of its proper divisors (600642310).

1101111122 is a wasteful number, since it uses less digits than its factorization.

1101111122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123773.

The product of its (nonzero) digits is 4, while the sum is 11.

The square root of 1101111122 is about 33182.9944700595. The cubic root of 1101111122 is about 1032.6275709617.

Adding to 1101111122 its reverse (2211111011), we get a palindrome (3312222133).

The spelling of 1101111122 in words is "one billion, one hundred one million, one hundred eleven thousand, one hundred twenty-two".