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121222002201 = 3192126701793
BaseRepresentation
bin111000011100101100…
…1001111011000011001
3102120220011120202101020
41300321121033120121
53441230313032301
6131404424113053
711520665006016
oct1607131173031
9376804522336
10121222002201
11474567294a3
121b5b1005789
13b57b4133b1
145c1d76270d
1532473da436
hex1c3964f619

121222002201 has 8 divisors (see below), whose sum is σ = 170136143520. Its totient is φ = 76561264512.

The previous prime is 121222002191. The next prime is 121222002203. The reversal of 121222002201 is 102200222121.

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

It is not a de Polignac number, because 121222002201 - 210 = 121222001177 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (121222002203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1063350840 + ... + 1063350953.

It is an arithmetic number, because the mean of its divisors is an integer number (21267017940).

Almost surely, 2121222002201 is an apocalyptic number.

It is an amenable number.

121222002201 is a deficient number, since it is larger than the sum of its proper divisors (48914141319).

121222002201 is a wasteful number, since it uses less digits than its factorization.

121222002201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2126701815.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 121222002201 its reverse (102200222121), we get a palindrome (223422224322).

The spelling of 121222002201 in words is "one hundred twenty-one billion, two hundred twenty-two million, two thousand, two hundred one".

Divisors: 1 3 19 57 2126701793 6380105379 40407334067 121222002201