11211002121311 has 8 divisors (see below), whose sum is σ = 11288865868800. Its totient is φ = 11133185988600.

The previous prime is 11211002121307. The next prime is 11211002121317. The reversal of 11211002121311 is 11312120011211.

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

It is a cyclic number.

It is not a de Polignac number, because 11211002121311 - 2² = 11211002121307 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11211002121311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11211002121317) 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, 11431091 + ... + 12373028.

It is an arithmetic number, because the mean of its divisors is an integer number (1411108233600).

Almost surely, 2^{11211002121311} is an apocalyptic number.

11211002121311 is a deficient number, since it is larger than the sum of its proper divisors (77863747489).

11211002121311 is a wasteful number, since it uses less digits than its factorization.

11211002121311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23807389.

The product of its (nonzero) digits is 24, while the sum is 17.

Adding to 11211002121311 its reverse (11312120011211), we get a palindrome (22523122132522).

The spelling of 11211002121311 in words is "eleven trillion, two hundred eleven billion, two million, one hundred twenty-one thousand, three hundred eleven".