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1210002211101 = 317231031544937
BaseRepresentation
bin10001100110111001110…
…000001000000100011101
311021200020010122002011110
4101212321300020010131
5124311041031223401
62323511202412233
7153263661044235
oct21467160100435
94250203562143
101210002211101
11427182781362
1217660b361079
138a14489a708
14427c8aa4cc5
152171cd839d6
hex119b9c0811d

1210002211101 has 16 divisors (see below), whose sum is σ = 1782509652864. Its totient is φ = 726207634944.

The previous prime is 1210002211069. The next prime is 1210002211123. The reversal of 1210002211101 is 1011122000121.

It is not a de Polignac number, because 1210002211101 - 25 = 1210002211069 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210002211001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 515771296 + ... + 515773641.

It is an arithmetic number, because the mean of its divisors is an integer number (111406853304).

Almost surely, 21210002211101 is an apocalyptic number.

It is an amenable number.

1210002211101 is a deficient number, since it is larger than the sum of its proper divisors (572507441763).

1210002211101 is a wasteful number, since it uses less digits than its factorization.

1210002211101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1031544980.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1210002211101 its reverse (1011122000121), we get a palindrome (2221124211222).

The spelling of 1210002211101 in words is "one trillion, two hundred ten billion, two million, two hundred eleven thousand, one hundred one".

Divisors: 1 3 17 23 51 69 391 1173 1031544937 3094634811 17536263929 23725533551 52608791787 71176600653 403334070367 1210002211101