222101022111984 has 120 divisors (see below), whose sum is σ = 643076238879360. Its totient is φ = 71473201519104.

The previous prime is 222101022111977. The next prime is 222101022111989. The reversal of 222101022111984 is 489111220101222.

222101022111984 is a `hidden beast` number, since 22 + 210 + 10 + 221 + 1 + 198 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222101022111989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36591009 + ... + 42226815.

It is an arithmetic number, because the mean of its divisors is an integer number (5358968657328).

Almost surely, 2^{222101022111984} is an apocalyptic number.

222101022111984 is a gapful number since it is divisible by the number (24) 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 222101022111984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (321538119439680).

222101022111984 is an abundant number, since it is smaller than the sum of its proper divisors (420975216767376).

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

222101022111984 is a wasteful number, since it uses less digits than its factorization.

222101022111984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5645287 (or 5645278 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 36.

The spelling of 222101022111984 in words is "two hundred twenty-two trillion, one hundred one billion, twenty-two million, one hundred eleven thousand, nine hundred eighty-four".