1122145011 has 48 divisors (see below), whose sum is σ = 1781698464. Its totient is φ = 676380672.

The previous prime is 1122145001. The next prime is 1122145033. The reversal of 1122145011 is 1105412211.

It is not a de Polignac number, because 1122145011 - 2⁵ = 1122144979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1122145001) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2014345 + ... + 2014901.

It is an arithmetic number, because the mean of its divisors is an integer number (37118718).

Almost surely, 2^1122145011 is an apocalyptic number.

1122145011 is a deficient number, since it is larger than the sum of its proper divisors (659553453).

1122145011 is a wasteful number, since it uses less digits than its factorization.

1122145011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 900 (or 897 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 18.

The square root of 1122145011 is about 33498.4329633492. The cubic root of 1122145011 is about 1039.1613712091.

Adding to 1122145011 its reverse (1105412211), we get a palindrome (2227557222).

The spelling of 1122145011 in words is "one billion, one hundred twenty-two million, one hundred forty-five thousand, eleven".