11213311220331 has 16 divisors (see below), whose sum is σ = 16310332620288. Its totient is φ = 6795920463200.

The previous prime is 11213311220317. The next prime is 11213311220369. The reversal of 11213311220331 is 13302211331211.

It is not a de Polignac number, because 11213311220331 - 2¹⁷ = 11213311089259 is a prime.

It is a super-2 number, since 2×11213311220331² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11213311222331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11793166 + ... + 12708476.

It is an arithmetic number, because the mean of its divisors is an integer number (1019395788768).

Almost surely, 2^{11213311220331} is an apocalyptic number.

11213311220331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11213311220331 is a deficient number, since it is larger than the sum of its proper divisors (5097021399957).

11213311220331 is a wasteful number, since it uses less digits than its factorization.

11213311220331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1286562.

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 11213311220331 its reverse (13302211331211), we get a palindrome (24515522551542).

The spelling of 11213311220331 in words is "eleven trillion, two hundred thirteen billion, three hundred eleven million, two hundred twenty thousand, three hundred thirty-one".