2213321231000 has 128 divisors (see below), whose sum is σ = 5696703155520. Its totient is φ = 804843600000.

The previous prime is 2213321230969. The next prime is 2213321231039. The reversal of 2213321231000 is 1321233122.

It is a super-2 number, since 2×2213321231000² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 499550 + ... + 2162450.

Almost surely, 2^{2213321231000} is an apocalyptic number.

2213321231000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2213321231000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2848351577760).

2213321231000 is an abundant number, since it is smaller than the sum of its proper divisors (3483381924520).

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

2213321231000 is a wasteful number, since it uses less digits than its factorization.

2213321231000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1662955 (or 1662919 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 2213321231000 its reverse (1321233122), we get a palindrome (2214642464122).

The spelling of 2213321231000 in words is "two trillion, two hundred thirteen billion, three hundred twenty-one million, two hundred thirty-one thousand".