221111200002 has 256 divisors, whose sum is σ = 587059384320. Its totient is φ = 53848704000.

The previous prime is 221111199989. The next prime is 221111200007. The reversal of 221111200002 is 200002111122.

221111200002 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (221111200007) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 71717953 + ... + 71721035.

It is an arithmetic number, because the mean of its divisors is an integer number (2293200720).

Almost surely, 2^221111200002 is an apocalyptic number.

221111200002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 221111200002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (293529692160).

221111200002 is an abundant number, since it is smaller than the sum of its proper divisors (365948184318).

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

221111200002 is a wasteful number, since it uses less digits than its factorization.

221111200002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3289.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 221111200002 its reverse (200002111122), we get a palindrome (421113311124).

The spelling of 221111200002 in words is "two hundred twenty-one billion, one hundred eleven million, two hundred thousand, two".