1100123222001 has 16 divisors (see below), whose sum is σ = 1514432693760. Its totient is φ = 709623509760.

The previous prime is 1100123221999. The next prime is 1100123222039. The reversal of 1100123222001 is 1002223210011.

It is not a de Polignac number, because 1100123222001 - 2¹ = 1100123221999 is a prime.

It is a super-2 number, since 2×1100123222001² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1100123222041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 613096 + ... + 1605033.

It is an arithmetic number, because the mean of its divisors is an integer number (94652043360).

Almost surely, 2^{1100123222001} is an apocalyptic number.

It is an amenable number.

1100123222001 is a deficient number, since it is larger than the sum of its proper divisors (414309471759).

1100123222001 is a wasteful number, since it uses less digits than its factorization.

1100123222001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2223496.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 1100123222001 its reverse (1002223210011), we get a palindrome (2102346432012).

The spelling of 1100123222001 in words is "one trillion, one hundred billion, one hundred twenty-three million, two hundred twenty-two thousand, one".