1100123223213 has 16 divisors (see below), whose sum is σ = 1687629110400. Its totient is φ = 624422767296.

The previous prime is 1100123223151. The next prime is 1100123223229. The reversal of 1100123223213 is 3123223210011.

It is not a de Polignac number, because 1100123223213 - 2¹³ = 1100123215021 is a prime.

It is a super-2 number, since 2×1100123223213² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 1100123223213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100123223233) 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, 175791570 + ... + 175797827.

It is an arithmetic number, because the mean of its divisors is an integer number (105476819400).

Almost surely, 2^{1100123223213} is an apocalyptic number.

It is an amenable number.

1100123223213 is a deficient number, since it is larger than the sum of its proper divisors (587505887187).

1100123223213 is a wasteful number, since it uses less digits than its factorization.

1100123223213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351589556.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1100123223213 its reverse (3123223210011), we get a palindrome (4223346433224).

The spelling of 1100123223213 in words is "one trillion, one hundred billion, one hundred twenty-three million, two hundred twenty-three thousand, two hundred thirteen".