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101211022201 = 211479673091
BaseRepresentation
bin101111001000010100…
…1011010001101111001
3100200020120101122101211
41132100221122031321
53124240010202301
6114255023243121
710212050331322
oct1362051321571
9320216348354
10101211022201
1139a17a8aaa3
12177474494a1
13970c692b23
144c81c1d449
152975701051
hex1790a5a379

101211022201 has 4 divisors (see below), whose sum is σ = 101690695504. Its totient is φ = 100731348900.

The previous prime is 101211022193. The next prime is 101211022217. The reversal of 101211022201 is 102220112101.

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, and also an emirpimes, since its reverse is a distinct semiprime: 102220112101 = 313297422971.

It is a cyclic number.

It is not a de Polignac number, because 101211022201 - 23 = 101211022193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101211020201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 239836335 + ... + 239836756.

It is an arithmetic number, because the mean of its divisors is an integer number (25422673876).

Almost surely, 2101211022201 is an apocalyptic number.

It is an amenable number.

101211022201 is a deficient number, since it is larger than the sum of its proper divisors (479673303).

101211022201 is an equidigital number, since it uses as much as digits as its factorization.

101211022201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479673302.

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

Adding to 101211022201 its reverse (102220112101), we get a palindrome (203431134302).

The spelling of 101211022201 in words is "one hundred one billion, two hundred eleven million, twenty-two thousand, two hundred one".

Divisors: 1 211 479673091 101211022201