11011021201101 has 4 divisors (see below), whose sum is σ = 14681361601472. Its totient is φ = 7340680800732.

The previous prime is 11011021201099. The next prime is 11011021201181. The reversal of 11011021201101 is 10110212011011.

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 11011021201101 - 2¹ = 11011021201099 is a prime.

It is a super-2 number, since 2×11011021201101² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11011021201181) 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, 1835170200181 + ... + 1835170200186.

It is an arithmetic number, because the mean of its divisors is an integer number (3670340400368).

Almost surely, 2^{11011021201101} is an apocalyptic number.

It is an amenable number.

11011021201101 is a deficient number, since it is larger than the sum of its proper divisors (3670340400371).

11011021201101 is an equidigital number, since it uses as much as digits as its factorization.

11011021201101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3670340400370.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 11011021201101 its reverse (10110212011011), we get a palindrome (21121233212112).

The spelling of 11011021201101 in words is "eleven trillion, eleven billion, twenty-one million, two hundred one thousand, one hundred one".