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1110001012201 = 4427325071737
BaseRepresentation
bin10000001001110001001…
…101110100110111101001
310221010002212201211100001
4100021301031310313221
5121141240224342301
62205532153543001
7143123600633344
oct20116115646751
93833085654301
101110001012201
113988266a7534
1215b161114a61
1380898a5b383
143ba1d81145b
151dd189adc01
hex10271374de9

1110001012201 has 4 divisors (see below), whose sum is σ = 1110026128212. Its totient is φ = 1109975896192.

The previous prime is 1110001012163. The next prime is 1110001012223. The reversal of 1110001012201 is 1022101000111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 50130762201 + 1059870250000 = 223899^2 + 1029500^2 .

It is a cyclic number.

It is not a de Polignac number, because 1110001012201 - 29 = 1110001011689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1110001012291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12491596 + ... + 12580141.

It is an arithmetic number, because the mean of its divisors is an integer number (277506532053).

Almost surely, 21110001012201 is an apocalyptic number.

It is an amenable number.

1110001012201 is a deficient number, since it is larger than the sum of its proper divisors (25116011).

1110001012201 is an equidigital number, since it uses as much as digits as its factorization.

1110001012201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25116010.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1110001012201 its reverse (1022101000111), we get a palindrome (2132102012312).

The spelling of 1110001012201 in words is "one trillion, one hundred ten billion, one million, twelve thousand, two hundred one".

Divisors: 1 44273 25071737 1110001012201