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1001111112097 = 21123924182373
BaseRepresentation
bin11101001000101101101…
…11110100100110100001
310112201001011011202201221
432210112313310212201
5112400233421041342
62043523141255041
7132220316022625
oct16442667644641
93481034152657
101001111112097
1135662913a958
12142032104481
137353453a315
143664dc39185
151b094094a67
hexe916df49a1

1001111112097 has 16 divisors (see below), whose sum is σ = 1014267767040. Its totient is φ = 988068614400.

The previous prime is 1001111112017. The next prime is 1001111112107. The reversal of 1001111112097 is 7902111111001.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1001111112097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1001111112017) 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, 12112203 + ... + 12194575.

It is an arithmetic number, because the mean of its divisors is an integer number (63391735440).

Almost surely, 21001111112097 is an apocalyptic number.

It is an amenable number.

1001111112097 is a deficient number, since it is larger than the sum of its proper divisors (13156654943).

1001111112097 is a wasteful number, since it uses less digits than its factorization.

1001111112097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83064.

The product of its (nonzero) digits is 126, while the sum is 25.

Adding to 1001111112097 its reverse (7902111111001), we get a palindrome (8903222223098).

The spelling of 1001111112097 in words is "one trillion, one billion, one hundred eleven million, one hundred twelve thousand, ninety-seven".

Divisors: 1 211 239 241 50429 50851 57599 82373 12153389 17380703 19687147 19851893 4153988017 4188749423 4744602427 1001111112097