11223202120311 has 8 divisors (see below), whose sum is σ = 14964288215920. Its totient is φ = 7482125385792.

The previous prime is 11223202120297. The next prime is 11223202120331. The reversal of 11223202120311 is 11302120232211.

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

It is not a de Polignac number, because 11223202120311 - 2¹⁷ = 11223201989239 is a prime.

It is a super-2 number, since 2×11223202120311² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11223202120331) 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, 1239435 + ... + 4897203.

It is an arithmetic number, because the mean of its divisors is an integer number (1870536026990).

Almost surely, 2^{11223202120311} is an apocalyptic number.

11223202120311 is a deficient number, since it is larger than the sum of its proper divisors (3741086095609).

11223202120311 is a wasteful number, since it uses less digits than its factorization.

11223202120311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4680545.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 11223202120311 its reverse (11302120232211), we get a palindrome (22525322352522).

The spelling of 11223202120311 in words is "eleven trillion, two hundred twenty-three billion, two hundred two million, one hundred twenty thousand, three hundred eleven".