222111101120000 has 200 divisors, whose sum is σ = 556069325181216. Its totient is φ = 88602310656000.

The previous prime is 222111101119889. The next prime is 222111101120003. The reversal of 222111101120000 is 21101111222.

It is a tau number, because it is divible by the number of its divisors (200).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222111101120003) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 116494364 + ... + 118385636.

Almost surely, 2^{222111101120000} is an apocalyptic number.

222111101120000 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 222111101120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (278034662590608).

222111101120000 is an abundant number, since it is smaller than the sum of its proper divisors (333958224061216).

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

222111101120000 is an frugal number, since it uses more digits than its factorization.

222111101120000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1891678 (or 1891647 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 222111101120000 its reverse (21101111222), we get a palindrome (222132202231222).

The spelling of 222111101120000 in words is "two hundred twenty-two trillion, one hundred eleven billion, one hundred one million, one hundred twenty thousand".