2213111321340 has 24 divisors (see below), whose sum is σ = 6196711699920. Its totient is φ = 590163019008.

The previous prime is 2213111321293. The next prime is 2213111321341. The reversal of 2213111321340 is 431231113122.

It is a self number, because there is not a number n which added to its sum of digits gives 2213111321340.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2213111321341) 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, 18442594285 + ... + 18442594404.

It is an arithmetic number, because the mean of its divisors is an integer number (258196320830).

Almost surely, 2^{2213111321340} is an apocalyptic number.

2213111321340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2213111321340 is an abundant number, since it is smaller than the sum of its proper divisors (3983600378580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2213111321340 is a wasteful number, since it uses less digits than its factorization.

2213111321340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36885188701 (or 36885188699 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 2213111321340 its reverse (431231113122), we get a palindrome (2644342434462).

The spelling of 2213111321340 in words is "two trillion, two hundred thirteen billion, one hundred eleven million, three hundred twenty-one thousand, three hundred forty".