1101201011011 has 4 divisors (see below), whose sum is σ = 1103709442000. Its totient is φ = 1098692580024.

The previous prime is 1101201010933. The next prime is 1101201011149. The reversal of 1101201011011 is 1101101021011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1101201011011 - 2¹⁷ = 1101200879939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1101201012011) 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, 1254214836 + ... + 1254215713.

It is an arithmetic number, because the mean of its divisors is an integer number (275927360500).

Almost surely, 2^{1101201011011} is an apocalyptic number.

1101201011011 is a deficient number, since it is larger than the sum of its proper divisors (2508430989).

1101201011011 is an equidigital number, since it uses as much as digits as its factorization.

1101201011011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2508430988.

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 1101201011011 its reverse (1101101021011), we get a palindrome (2202302032022).

The spelling of 1101201011011 in words is "one trillion, one hundred one billion, two hundred one million, eleven thousand, eleven".