222321204011000 has 128 divisors (see below), whose sum is σ = 551461602556800. Its totient is φ = 83601952819200.

The previous prime is 222321204010981. The next prime is 222321204011047. The reversal of 222321204011000 is 110402123222.

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 (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7453061 + ... + 22364939.

It is an arithmetic number, because the mean of its divisors is an integer number (4308293769975).

Almost surely, 2^{222321204011000} is an apocalyptic number.

222321204011000 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 222321204011000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (275730801278400).

222321204011000 is an abundant number, since it is smaller than the sum of its proper divisors (329140398545800).

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

222321204011000 is a wasteful number, since it uses less digits than its factorization.

222321204011000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14912794 (or 14912780 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 222321204011000 its reverse (110402123222), we get a palindrome (222431606134222).

The spelling of 222321204011000 in words is "two hundred twenty-two trillion, three hundred twenty-one billion, two hundred four million, eleven thousand".