1011001122 has 32 divisors (see below), whose sum is σ = 2298922560. Its totient is φ = 329162400.

The previous prime is 1011001091. The next prime is 1011001151. The reversal of 1011001122 is 2211001101.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

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 15 ways as a sum of consecutive naturals, for example, 215379 + ... + 220022.

It is an arithmetic number, because the mean of its divisors is an integer number (71841330).

Almost surely, 2^1011001122 is an apocalyptic number.

1011001122 is an abundant number, since it is smaller than the sum of its proper divisors (1287921438).

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

1011001122 is a wasteful number, since it uses less digits than its factorization.

1011001122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435455 (or 435449 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

The square root of 1011001122 is about 31796.2438347677. The cubic root of 1011001122 is about 1003.6536750671.

Adding to 1011001122 its reverse (2211001101), we get a palindrome (3222002223).

The spelling of 1011001122 in words is "one billion, eleven million, one thousand, one hundred twenty-two".