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2221221300001 = 112512303934919
BaseRepresentation
bin100000010100101011000…
…110110100011100100001
321212100100201202021100121
4200110223012310130201
5242343030123100001
64420225345120241
7316322635346254
oct40245306643441
97770321667317
102221221300001
11787018575850
122ba5a2629081
131315ca29c6a2
147971712d09b
153cba45146a1
hex2052b1b4721

2221221300001 has 16 divisors (see below), whose sum is σ = 2432979763200. Its totient is φ = 2011102210000.

The previous prime is 2221221299953. The next prime is 2221221300017. The reversal of 2221221300001 is 1000031221222.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2221221300001 - 219 = 2221220775713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2221221300071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63593220 + ... + 63628138.

It is an arithmetic number, because the mean of its divisors is an integer number (152061235200).

Almost surely, 22221221300001 is an apocalyptic number.

It is an amenable number.

2221221300001 is a deficient number, since it is larger than the sum of its proper divisors (211758463199).

2221221300001 is a wasteful number, since it uses less digits than its factorization.

2221221300001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58220.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 2221221300001 its reverse (1000031221222), we get a palindrome (3221252521223).

The spelling of 2221221300001 in words is "two trillion, two hundred twenty-one billion, two hundred twenty-one million, three hundred thousand, one".

Divisors: 1 11 251 2761 23039 34919 253429 384109 5782789 8764669 63610679 96411359 804498841 8849487251 201929209091 2221221300001