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22222101212201 = 113031966631189
BaseRepresentation
bin1010000110101111111000…
…11100101110110000101001
32220200102010102220221122002
411003113330130232300221
510403041330402242301
6115132405314540345
74452331245463652
oct503277434566051
986612112827562
1022222101212201
117098381894950
1225aa9608976b5
13c526c5965717
1456b7ac198529
152880ab75a16b
hex1435fc72ec29

22222101212201 has 8 divisors (see below), whose sum is σ = 24243092169600. Its totient is φ = 20201243577840.

The previous prime is 22222101212111. The next prime is 22222101212209. The reversal of 22222101212201 is 10221210122222.

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

It is a cyclic number.

It is not a de Polignac number, because 22222101212201 - 238 = 21947223305257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22222101212209) 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, 32982086 + ... + 33649103.

It is an arithmetic number, because the mean of its divisors is an integer number (3030386521200).

Almost surely, 222222101212201 is an apocalyptic number.

It is an amenable number.

22222101212201 is a deficient number, since it is larger than the sum of its proper divisors (2020990957399).

22222101212201 is a wasteful number, since it uses less digits than its factorization.

22222101212201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66661519.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 22222101212201 its reverse (10221210122222), we get a palindrome (32443311334423).

The spelling of 22222101212201 in words is "twenty-two trillion, two hundred twenty-two billion, one hundred one million, two hundred twelve thousand, two hundred one".

Divisors: 1 11 30319 333509 66631189 732943079 2020191019291 22222101212201