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221002210010211 = 3737799278417809
BaseRepresentation
bin110010010000000000010110…
…001110001110010001100011
31001222111121100000001010210020
4302100000112032032101203
5212431400011230311321
62102011002542204523
764356611534016060
oct6220002616162143
91058447300033706
10221002210010211
11644665690426a3
1220953860b83743
13964155a6661a6
143c807c7a0dc67
151a83b946d44c6
hexc9001638e463

221002210010211 has 16 divisors (see below), whose sum is σ = 336774182976000. Its totient is φ = 126283635681408.

The previous prime is 221002210010191. The next prime is 221002210010249. The reversal of 221002210010211 is 112010012200122.

It is not a de Polignac number, because 221002210010211 - 27 = 221002210010083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (221002210010011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138415126 + ... + 140002683.

It is an arithmetic number, because the mean of its divisors is an integer number (21048386436000).

Almost surely, 2221002210010211 is an apocalyptic number.

221002210010211 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

221002210010211 is a deficient number, since it is larger than the sum of its proper divisors (115771972965789).

221002210010211 is a wasteful number, since it uses less digits than its factorization.

221002210010211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278455618.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 221002210010211 its reverse (112010012200122), we get a palindrome (333012222210333).

The spelling of 221002210010211 in words is "two hundred twenty-one trillion, two billion, two hundred ten million, ten thousand, two hundred eleven".

Divisors: 1 3 7 21 37799 113397 264593 793779 278417809 835253427 1948924663 5846773989 10523914762391 31571744287173 73667403336737 221002210010211