2223320121000 has 384 divisors, whose sum is σ = 8419568751360. Its totient is φ = 524418624000.

The previous prime is 2223320120977. The next prime is 2223320121041. The reversal of 2223320121000 is 1210233222.

2223320121000 is a `hidden beast` number, since 2 + 223 + 320 + 121 + 0 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3359517 + ... + 3966483.

It is an arithmetic number, because the mean of its divisors is an integer number (21925960290).

Almost surely, 2^{2223320121000} is an apocalyptic number.

2223320121000 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 2223320121000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4209784375680).

2223320121000 is an abundant number, since it is smaller than the sum of its proper divisors (6196248630360).

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

2223320121000 is a wasteful number, since it uses less digits than its factorization.

2223320121000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607042 (or 607025 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 2223320121000 its reverse (1210233222), we get a palindrome (2224530354222).

The spelling of 2223320121000 in words is "two trillion, two hundred twenty-three billion, three hundred twenty million, one hundred twenty-one thousand".