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2213212122001 = 17131519989887
BaseRepresentation
bin100000001101001101101…
…110001110101110010001
321211120200120001212121101
4200031031232032232101
5242230124300401001
64412422520424401
7315620313432136
oct40151556165621
97746616055541
102213212122001
117836885a9881
122b8b28318101
13130921b94bca
147919755658d
153c886304a01
hex2034db8eb91

2213212122001 has 8 divisors (see below), whose sum is σ = 2343421255680. Its totient is φ = 2083005231168.

The previous prime is 2213212121873. The next prime is 2213212122047. The reversal of 2213212122001 is 1002212123122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2213212122001 - 27 = 2213212121873 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2213212122001.

It is not an unprimeable number, because it can be changed into a prime (2213212122301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1740880 + ... + 2730766.

It is an arithmetic number, because the mean of its divisors is an integer number (292927656960).

Almost surely, 22213212122001 is an apocalyptic number.

It is an amenable number.

2213212122001 is a deficient number, since it is larger than the sum of its proper divisors (130209133679).

2213212122001 is a wasteful number, since it uses less digits than its factorization.

2213212122001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1121423.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 2213212122001 its reverse (1002212123122), we get a palindrome (3215424245123).

The spelling of 2213212122001 in words is "two trillion, two hundred thirteen billion, two hundred twelve million, one hundred twenty-two thousand, one".

Divisors: 1 17 131519 989887 2235823 16828079 130188948353 2213212122001