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10211221012201 = 11928292819291
BaseRepresentation
bin1001010010010111110000…
…1100110111111011101001
31100011011221112211102022021
42110211330030313323221
52314300040034342301
633414545320224441
72102510401334506
oct224457414677351
940134845742267
1010211221012201
113287611067820
12118b00530b121
13590bb6105391
142743235b24ad
1512a93d5618a1
hex9497c337ee9

10211221012201 has 4 divisors (see below), whose sum is σ = 11139513831504. Its totient is φ = 9282928192900.

The previous prime is 10211221012199. The next prime is 10211221012219. The reversal of 10211221012201 is 10221012211201.

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 10211221012201 - 21 = 10211221012199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10211221016201) 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, 464146409635 + ... + 464146409656.

It is an arithmetic number, because the mean of its divisors is an integer number (2784878457876).

Almost surely, 210211221012201 is an apocalyptic number.

10211221012201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10211221012201 is a deficient number, since it is larger than the sum of its proper divisors (928292819303).

10211221012201 is an equidigital number, since it uses as much as digits as its factorization.

10211221012201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 928292819302.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 10211221012201 its reverse (10221012211201), we get a palindrome (20432233223402).

The spelling of 10211221012201 in words is "ten trillion, two hundred eleven billion, two hundred twenty-one million, twelve thousand, two hundred one".

Divisors: 1 11 928292819291 10211221012201