1100221212001 has 8 divisors (see below), whose sum is σ = 1158338155520. Its totient is φ = 1042125324912.

The previous prime is 1100221211993. The next prime is 1100221212019. The reversal of 1100221212001 is 1002121220011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1100221212001 - 2³ = 1100221211993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1100221212031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5156790 + ... + 5365903.

It is an arithmetic number, because the mean of its divisors is an integer number (144792269440).

Almost surely, 2^{1100221212001} is an apocalyptic number.

It is an amenable number.

1100221212001 is a deficient number, since it is larger than the sum of its proper divisors (58116943519).

1100221212001 is a wasteful number, since it uses less digits than its factorization.

1100221212001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10528215.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1100221212001 its reverse (1002121220011), we get a palindrome (2102342432012).

The spelling of 1100221212001 in words is "one trillion, one hundred billion, two hundred twenty-one million, two hundred twelve thousand, one".