1200111122 has 16 divisors (see below), whose sum is σ = 2123699712. Its totient is φ = 497741760.

The previous prime is 1200111119. The next prime is 1200111131. The reversal of 1200111122 is 2211110021.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1382183 + ... + 1383050.

It is an arithmetic number, because the mean of its divisors is an integer number (132731232).

Almost surely, 2^1200111122 is an apocalyptic number.

1200111122 is a deficient number, since it is larger than the sum of its proper divisors (923588590).

1200111122 is a wasteful number, since it uses less digits than its factorization.

1200111122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2765273.

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 1200111122 is about 34642.6200221635. The cubic root of 1200111122 is about 1062.6913694884.

Adding to 1200111122 its reverse (2211110021), we get a palindrome (3411221143).

The spelling of 1200111122 in words is "one billion, two hundred million, one hundred eleven thousand, one hundred twenty-two".