1101222011001 has 32 divisors (see below), whose sum is σ = 1777213992960. Its totient is φ = 592103045376.

The previous prime is 1101222010921. The next prime is 1101222011017. The reversal of 1101222011001 is 1001102221011.

It is not a de Polignac number, because 1101222011001 - 2¹⁰ = 1101222009977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1101222011041) 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 31 ways as a sum of consecutive naturals, for example, 1018320 + ... + 1799838.

It is an arithmetic number, because the mean of its divisors is an integer number (55537937280).

Almost surely, 2^{1101222011001} is an apocalyptic number.

It is an amenable number.

1101222011001 is a deficient number, since it is larger than the sum of its proper divisors (675991981959).

1101222011001 is a wasteful number, since it uses less digits than its factorization.

1101222011001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 785493.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1101222011001 its reverse (1001102221011), we get a palindrome (2102324232012).

The spelling of 1101222011001 in words is "one trillion, one hundred one billion, two hundred twenty-two million, eleven thousand, one".