1101202111001 has 4 divisors (see below), whose sum is σ = 1117637963472. Its totient is φ = 1084766258532.

The previous prime is 1101202110949. The next prime is 1101202111027. The reversal of 1101202111001 is 1001112021011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1101202111001 - 2¹⁰ = 1101202109977 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1101202111501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8217926135 + ... + 8217926268.

It is an arithmetic number, because the mean of its divisors is an integer number (279409490868).

Almost surely, 2^{1101202111001} is an apocalyptic number.

It is an amenable number.

1101202111001 is a deficient number, since it is larger than the sum of its proper divisors (16435852471).

1101202111001 is an equidigital number, since it uses as much as digits as its factorization.

1101202111001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16435852470.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 1101202111001 its reverse (1001112021011), we get a palindrome (2102314132012).

The spelling of 1101202111001 in words is "one trillion, one hundred one billion, two hundred two million, one hundred eleven thousand, one".