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220222112222001 = 3371983982992991
BaseRepresentation
bin110010000100101001110100…
…110001010100101100110001
31001212202000202122102111211210
4302010221310301110230301
5212331104341212101001
62100212350335230333
764246344144150111
oct6204516461245461
91055660678374753
10220222112222001
116419574519721a
122084862b9783a9
1395b5b18a465c6
143c54b42997041
151a6d738793dd6
hexc84a74c54b31

220222112222001 has 8 divisors (see below), whose sum is σ = 301565414934784. Its totient is φ = 142846775495280.

The previous prime is 220222112221999. The next prime is 220222112222017. The reversal of 220222112222001 is 100222211222022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 220222112222001 - 21 = 220222112221999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220222112222071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 991991496385 + ... + 991991496606.

It is an arithmetic number, because the mean of its divisors is an integer number (37695676866848).

Almost surely, 2220222112222001 is an apocalyptic number.

It is an amenable number.

220222112222001 is a deficient number, since it is larger than the sum of its proper divisors (81343302712783).

220222112222001 is a wasteful number, since it uses less digits than its factorization.

220222112222001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1983982993031.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 220222112222001 its reverse (100222211222022), we get a palindrome (320444323444023).

The spelling of 220222112222001 in words is "two hundred twenty trillion, two hundred twenty-two billion, one hundred twelve million, two hundred twenty-two thousand, one".

Divisors: 1 3 37 111 1983982992991 5951948978973 73407370740667 220222112222001