222100020201200 has 120 divisors (see below), whose sum is σ = 534580750118400. Its totient is φ = 88675995513600.

The previous prime is 222100020201181. The next prime is 222100020201233. The reversal of 222100020201200 is 2102020001222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1255430351 + ... + 1255607249.

It is an arithmetic number, because the mean of its divisors is an integer number (4454839584320).

Almost surely, 2^{222100020201200} is an apocalyptic number.

222100020201200 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 222100020201200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (267290375059200).

222100020201200 is an abundant number, since it is smaller than the sum of its proper divisors (312480729917200).

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

222100020201200 is a wasteful number, since it uses less digits than its factorization.

222100020201200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182695 (or 182684 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 222100020201200 its reverse (2102020001222), we get a palindrome (224202040202422).

The spelling of 222100020201200 in words is "two hundred twenty-two trillion, one hundred billion, twenty million, two hundred one thousand, two hundred".