2211321224040 has 128 divisors (see below), whose sum is σ = 6644687472000. Its totient is φ = 588733267968.

The previous prime is 2211321223987. The next prime is 2211321224051. The reversal of 2211321224040 is 404221231122.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 2211321224040.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 213917752 + ... + 213928088.

It is an arithmetic number, because the mean of its divisors is an integer number (51911620875).

Almost surely, 2^{2211321224040} is an apocalyptic number.

2211321224040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2211321224040 is an abundant number, since it is smaller than the sum of its proper divisors (4433366247960).

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

2211321224040 is a wasteful number, since it uses less digits than its factorization.

2211321224040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13059 (or 13055 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 2211321224040 its reverse (404221231122), we get a palindrome (2615542455162).

The spelling of 2211321224040 in words is "two trillion, two hundred eleven billion, three hundred twenty-one million, two hundred twenty-four thousand, forty".