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22120112101 = 477919730241
BaseRepresentation
bin10100100110011101…
…100001111111100101
32010002120220010022011
4110212131201333211
5330300222041401
614054542434221
71412104564513
oct244635417745
963076803264
1022120112101
11942125468a
124353b92971
1321169b7c39
1410dbac94b3
15896e57451
hex526761fe5

22120112101 has 16 divisors (see below), whose sum is σ = 22993597440. Its totient is φ = 21266219520.

The previous prime is 22120112099. The next prime is 22120112107. The reversal of 22120112101 is 10121102122.

It is a cyclic number.

It is not a de Polignac number, because 22120112101 - 21 = 22120112099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22120112107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 716341 + ... + 746581.

It is an arithmetic number, because the mean of its divisors is an integer number (1437099840).

Almost surely, 222120112101 is an apocalyptic number.

It is an amenable number.

22120112101 is a deficient number, since it is larger than the sum of its proper divisors (873485339).

22120112101 is a wasteful number, since it uses less digits than its factorization.

22120112101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30564.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 22120112101 its reverse (10121102122), we get a palindrome (32241214223).

The spelling of 22120112101 in words is "twenty-two billion, one hundred twenty million, one hundred twelve thousand, one hundred one".

Divisors: 1 47 79 197 3713 9259 15563 30241 731461 1421327 2389039 5957477 112284833 280001419 470640683 22120112101