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1112001220201 = 1126439871907
BaseRepresentation
bin10000001011101000011…
…100000000111001101001
310221022021021110220212211
4100023220130000321221
5121204334303021301
62210502445205121
7143224266262504
oct20135034007151
93838237426784
101112001220201
113996627763a3
1215b61ab607a1
1380b272792c1
143bb6d32213b
151ddd43b3051
hex102e8700e69

1112001220201 has 4 divisors (see below), whose sum is σ = 1112011204752. Its totient is φ = 1111991235652.

The previous prime is 1112001220181. The next prime is 1112001220271. The reversal of 1112001220201 is 1020221002111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1112001220201 - 29 = 1112001219689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1112001220271) 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, 4823311 + ... + 5048596.

It is an arithmetic number, because the mean of its divisors is an integer number (278002801188).

Almost surely, 21112001220201 is an apocalyptic number.

It is an amenable number.

1112001220201 is a deficient number, since it is larger than the sum of its proper divisors (9984551).

1112001220201 is an equidigital number, since it uses as much as digits as its factorization.

1112001220201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9984550.

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

Adding to 1112001220201 its reverse (1020221002111), we get a palindrome (2132222222312).

The spelling of 1112001220201 in words is "one trillion, one hundred twelve billion, one million, two hundred twenty thousand, two hundred one".

Divisors: 1 112643 9871907 1112001220201