11311320020101 has 4 divisors (see below), whose sum is σ = 11676201311104. Its totient is φ = 10946438729100.

The previous prime is 11311320020089. The next prime is 11311320020107. The reversal of 11311320020101 is 10102002311311.

It is a happy number.

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 11311320020101 - 2⁷ = 11311320019973 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 (11311320020107) 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, 182440645455 + ... + 182440645516.

It is an arithmetic number, because the mean of its divisors is an integer number (2919050327776).

Almost surely, 2^{11311320020101} is an apocalyptic number.

It is an amenable number.

11311320020101 is a deficient number, since it is larger than the sum of its proper divisors (364881291003).

11311320020101 is an equidigital number, since it uses as much as digits as its factorization.

11311320020101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364881291002.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 11311320020101 its reverse (10102002311311), we get a palindrome (21413322331412).

The spelling of 11311320020101 in words is "eleven trillion, three hundred eleven billion, three hundred twenty million, twenty thousand, one hundred one".