11213011311 has 8 divisors (see below), whose sum is σ = 14957634480. Its totient is φ = 7471864512.

The previous prime is 11213011297. The next prime is 11213011319. The reversal of 11213011311 is 11311031211.

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

It is not a de Polignac number, because 11213011311 - 2¹¹ = 11213009263 is a prime.

It is a super-2 number, since 2×11213011311² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11213011319) 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, 861556 + ... + 874473.

It is an arithmetic number, because the mean of its divisors is an integer number (1869704310).

Almost surely, 2^11213011311 is an apocalyptic number.

11213011311 is a deficient number, since it is larger than the sum of its proper divisors (3744623169).

11213011311 is a wasteful number, since it uses less digits than its factorization.

11213011311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1738185.

The product of its (nonzero) digits is 18, while the sum is 15.

Adding to 11213011311 its reverse (11311031211), we get a palindrome (22524042522).

The spelling of 11213011311 in words is "eleven billion, two hundred thirteen million, eleven thousand, three hundred eleven".