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222011220011112 = 233272918413824939
BaseRepresentation
bin110010011110101100000011…
…111001111010100001101000
31002010002001202122101000221100
4302132230003321322201220
5213044412434310323422
62104102314012241400
764522531665351240
oct6236540371724150
91063061678330840
10222011220011112
116481547a96a624
1220a97318470260
1396b57504a40bc
143cb7586912b20
151aa004be507ac
hexc9eb03e7a868

222011220011112 has 192 divisors, whose sum is σ = 710912833488000. Its totient is φ = 61241074094592.

The previous prime is 222011220011107. The next prime is 222011220011131. The reversal of 222011220011112 is 211110022110222.

222011220011112 is digitally balanced in base 2 and base 8, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 268711939 + ... + 269536877.

It is an arithmetic number, because the mean of its divisors is an integer number (3702671007750).

Almost surely, 2222011220011112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222011220011112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (355456416744000).

222011220011112 is an abundant number, since it is smaller than the sum of its proper divisors (488901613476888).

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

222011220011112 is a wasteful number, since it uses less digits than its factorization.

222011220011112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 843400 (or 843393 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 222011220011112 its reverse (211110022110222), we get a palindrome (433121242121334).

The spelling of 222011220011112 in words is "two hundred twenty-two trillion, eleven billion, two hundred twenty million, eleven thousand, one hundred twelve".