1011111122 has 16 divisors (see below), whose sum is σ = 1751205120. Its totient is φ = 428865408.

The previous prime is 1011111083. The next prime is 1011111133. The reversal of 1011111122 is 2211111101.

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, 370922 + ... + 373637.

It is an arithmetic number, because the mean of its divisors is an integer number (109450320).

Almost surely, 2^1011111122 is an apocalyptic number.

1011111122 is a deficient number, since it is larger than the sum of its proper divisors (740093998).

1011111122 is an equidigital number, since it uses as much as digits as its factorization.

1011111122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744665.

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

The square root of 1011111122 is about 31797.9735517847. The cubic root of 1011111122 is about 1003.6900739388.

Adding to 1011111122 its reverse (2211111101), we get a palindrome (3222222223).

The spelling of 1011111122 in words is "one billion, eleven million, one hundred eleven thousand, one hundred twenty-two".