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2222120122001 = 1317103182353549
BaseRepresentation
bin100000010101100000101…
…011100011011010010001
321212102200101001011100022
4200111200223203122101
5242401400222401001
64420454454033225
7316354131250463
oct40254053433221
97772611034308
102222120122001
1178743997304a
122ba7b3648815
13131711572b20
14797a0660133
153cc083ac11b
hex20560ae3691

2222120122001 has 32 divisors (see below), whose sum is σ = 2559871641600. Its totient is φ = 1910702306304.

The previous prime is 2222120121971. The next prime is 2222120122009. The reversal of 2222120122001 is 1002210212222.

It is a happy number.

It is not a de Polignac number, because 2222120122001 - 234 = 2204940252817 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is not an unprimeable number, because it can be changed into a prime (2222120122009) 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 31 ways as a sum of consecutive naturals, for example, 41470175 + ... + 41523723.

It is an arithmetic number, because the mean of its divisors is an integer number (79995988800).

Almost surely, 22222120122001 is an apocalyptic number.

It is an amenable number.

2222120122001 is a deficient number, since it is larger than the sum of its proper divisors (337751519599).

2222120122001 is a wasteful number, since it uses less digits than its factorization.

2222120122001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55505.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2222120122001 its reverse (1002210212222), we get a palindrome (3224330334223).

The spelling of 2222120122001 in words is "two trillion, two hundred twenty-two billion, one hundred twenty million, one hundred twenty-two thousand, one".

Divisors: 1 13 17 103 221 1339 1751 1823 22763 23699 30991 53549 187769 402883 696137 910333 2440997 3192073 5515547 11834329 41496949 71702111 93764299 97619827 1218935887 1269057751 1659537059 10054842181 21573981767 130712948353 170932317077 2222120122001