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22011001111001 = 722431401885301
BaseRepresentation
bin1010000000100110101011…
…11001110000000111011001
32212221020020111211200212102
411000103111321300013121
510341112012241023001
6114451414143053145
74431146061310610
oct500232571600731
985836214750772
1022011001111001
1170168a43353a1
122575a678a11b5
13c38822a71336
145614a3bca877
15282853a71e6b
hex1404d5e701d9

22011001111001 has 8 divisors (see below), whose sum is σ = 25166644941504. Its totient is φ = 18858161055600.

The previous prime is 22011001110971. The next prime is 22011001111013. The reversal of 22011001111001 is 10011110011022.

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 22011001111001 - 26 = 22011001110937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22011001111051) 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, 700926950 + ... + 700958351.

It is an arithmetic number, because the mean of its divisors is an integer number (3145830617688).

Almost surely, 222011001111001 is an apocalyptic number.

It is an amenable number.

22011001111001 is a deficient number, since it is larger than the sum of its proper divisors (3155643830503).

22011001111001 is a wasteful number, since it uses less digits than its factorization.

22011001111001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1401887551.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 22011001111001 its reverse (10011110011022), we get a palindrome (32022111122023).

The spelling of 22011001111001 in words is "twenty-two trillion, eleven billion, one million, one hundred eleven thousand, one".

Divisors: 1 7 2243 15701 1401885301 9813197107 3144428730143 22011001111001