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121322211022201 = 7217835741241883
BaseRepresentation
bin11011100101011110000111…
…010010101001010101111001
3120220120021211111002022200111
4123211132013102221111321
5111400220342010202301
61110010353155504321
734361145326346400
oct3345360722512571
9526507744068614
10121322211022201
11357255082930a2
1211735082bb80a1
135290834cbc2a7
1421d605240a637
15e05d0848e551
hex6e57874a9579

121322211022201 has 24 divisors (see below), whose sum is σ = 141234252502464. Its totient is φ = 103913610181920.

The previous prime is 121322211022193. The next prime is 121322211022213. The reversal of 121322211022201 is 102220112223121.

It is not a de Polignac number, because 121322211022201 - 23 = 121322211022193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121322211022301) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 501453006 + ... + 501694888.

It is an arithmetic number, because the mean of its divisors is an integer number (5884760520936).

Almost surely, 2121322211022201 is an apocalyptic number.

It is an amenable number.

121322211022201 is a deficient number, since it is larger than the sum of its proper divisors (19912041480263).

121322211022201 is a wasteful number, since it uses less digits than its factorization.

121322211022201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249421 (or 249414 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 121322211022201 its reverse (102220112223121), we get a palindrome (223542323245322).

The spelling of 121322211022201 in words is "one hundred twenty-one trillion, three hundred twenty-two billion, two hundred eleven million, twenty-two thousand, two hundred one".

Divisors: 1 7 49 1783 5741 12481 40187 87367 241883 281309 1693181 10236203 11852267 71653421 431277389 501573947 1388650303 3018941723 9720552121 21132592061 68043864847 2475963490249 17331744431743 121322211022201