11101020311 has 8 divisors (see below), whose sum is σ = 11617064064. Its totient is φ = 10587759160.

The previous prime is 11101020277. The next prime is 11101020319. The reversal of 11101020311 is 11302010111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11101020311 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11101020292 and 11101020301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11101020319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 687485 + ... + 703446.

It is an arithmetic number, because the mean of its divisors is an integer number (1452133008).

Almost surely, 2^11101020311 is an apocalyptic number.

11101020311 is a deficient number, since it is larger than the sum of its proper divisors (516043753).

11101020311 is a wasteful number, since it uses less digits than its factorization.

11101020311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1391301.

The product of its (nonzero) digits is 6, while the sum is 11.

Adding to 11101020311 its reverse (11302010111), we get a palindrome (22403030422).

The spelling of 11101020311 in words is "eleven billion, one hundred one million, twenty thousand, three hundred eleven".