1100013122 has 32 divisors (see below), whose sum is σ = 1826601840. Its totient is φ = 493701120.

The previous prime is 1100013053. The next prime is 1100013127. The reversal of 1100013122 is 2213100011.

It can be written as a sum of positive squares in 8 ways, for example, as 195748081 + 904265041 = 13991^2 + 30071^2 .

It is not an unprimeable number, because it can be changed into a prime (1100013127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137258 + ... + 145050.

Almost surely, 2^1100013122 is an apocalyptic number.

1100013122 is a deficient number, since it is larger than the sum of its proper divisors (726588718).

1100013122 is a wasteful number, since it uses less digits than its factorization.

1100013122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7958.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 1100013122 is about 33166.4457245572. The cubic root of 1100013122 is about 1032.2842201612.

Adding to 1100013122 its reverse (2213100011), we get a palindrome (3313113133).

The spelling of 1100013122 in words is "one billion, one hundred million, thirteen thousand, one hundred twenty-two".