1100101021001 has 8 divisors (see below), whose sum is σ = 1103022388608. Its totient is φ = 1097182422000.

The previous prime is 1100101020989. The next prime is 1100101021031. The reversal of 1100101021001 is 1001201010011.

It is a happy number.

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 1100101021001 - 2²⁶ = 1100033912137 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1100101021001.

It is not an unprimeable number, because it can be changed into a prime (1100101021031) 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, 104816 + ... + 1487006.

It is an arithmetic number, because the mean of its divisors is an integer number (137877798576).

Almost surely, 2^{1100101021001} is an apocalyptic number.

It is an amenable number.

1100101021001 is a deficient number, since it is larger than the sum of its proper divisors (2921367607).

1100101021001 is a wasteful number, since it uses less digits than its factorization.

1100101021001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1384303.

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 1100101021001 its reverse (1001201010011), we get a palindrome (2101302031012).

It can be divided in two parts, 11001010 and 21001, that added together give a palindrome (11022011).

The spelling of 1100101021001 in words is "one trillion, one hundred billion, one hundred one million, twenty-one thousand, one".