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122201212101 = 388756238167
BaseRepresentation
bin111000111001111000…
…0101000010011000101
3102200102102010202211120
41301303300220103011
54000232002241401
6132045524024153
711554155110253
oct1616360502305
9380372122746
10122201212101
1147909442381
121b824b32059
13b6a6251637
145cb381b5d3
1532a3361836
hex1c73c284c5

122201212101 has 16 divisors (see below), whose sum is σ = 163167627264. Its totient is φ = 81351194544.

The previous prime is 122201212097. The next prime is 122201212127. The reversal of 122201212101 is 101212102221.

It is not a de Polignac number, because 122201212101 - 22 = 122201212097 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122201216101) 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, 14958720 + ... + 14966886.

It is an arithmetic number, because the mean of its divisors is an integer number (10197976704).

Almost surely, 2122201212101 is an apocalyptic number.

It is an amenable number.

122201212101 is a deficient number, since it is larger than the sum of its proper divisors (40966415163).

122201212101 is an equidigital number, since it uses as much as digits as its factorization.

122201212101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14680.

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

Adding to 122201212101 its reverse (101212102221), we get a palindrome (223413314322).

The spelling of 122201212101 in words is "one hundred twenty-two billion, two hundred one million, two hundred twelve thousand, one hundred one".

Divisors: 1 3 887 2661 5623 8167 16869 24501 4987601 7244129 14962803 21732387 45923041 137769123 40733737367 122201212101