11011001203101 has 4 divisors (see below), whose sum is σ = 14681334937472. Its totient is φ = 7340667468732.

The previous prime is 11011001203031. The next prime is 11011001203129. The reversal of 11011001203101 is 10130210011011.

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 not a de Polignac number, because 11011001203101 - 2⁷ = 11011001202973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11011001203141) 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, 1835166867181 + ... + 1835166867186.

It is an arithmetic number, because the mean of its divisors is an integer number (3670333734368).

Almost surely, 2^{11011001203101} is an apocalyptic number.

It is an amenable number.

11011001203101 is a deficient number, since it is larger than the sum of its proper divisors (3670333734371).

11011001203101 is an equidigital number, since it uses as much as digits as its factorization.

11011001203101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3670333734370.

The product of its (nonzero) digits is 6, while the sum is 12.

Adding to 11011001203101 its reverse (10130210011011), we get a palindrome (21141211214112).

The spelling of 11011001203101 in words is "eleven trillion, eleven billion, one million, two hundred three thousand, one hundred one".