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121211222322301 = 344580135176501
BaseRepresentation
bin11011100011110110101111…
…110110010110110001111101
3120220011200100111021012000121
4123203312233312112301331
5111341411040403303201
61105443400010454541
734350136041101056
oct3343665766266175
9526150314235017
10121211222322301
1135692433038131
1211717669134451
135283227a10777
1421d0923bbb72d
15e02eae6989a1
hex6e3dafd96c7d

121211222322301 has 4 divisors (see below), whose sum is σ = 121211260944604. Its totient is φ = 121211183700000.

The previous prime is 121211222322283. The next prime is 121211222322317. The reversal of 121211222322301 is 103223222112121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 109037473294201 + 12173749028100 = 10442101^2 + 3489090^2 .

It is a cyclic number.

It is not a de Polignac number, because 121211222322301 - 217 = 121211222191229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121211222322361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14142450 + ... + 21034051.

It is an arithmetic number, because the mean of its divisors is an integer number (30302815236151).

Almost surely, 2121211222322301 is an apocalyptic number.

It is an amenable number.

121211222322301 is a deficient number, since it is larger than the sum of its proper divisors (38622303).

121211222322301 is an equidigital number, since it uses as much as digits as its factorization.

121211222322301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38622302.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 121211222322301 its reverse (103223222112121), we get a palindrome (224434444434422).

The spelling of 121211222322301 in words is "one hundred twenty-one trillion, two hundred eleven billion, two hundred twenty-two million, three hundred twenty-two thousand, three hundred one".

Divisors: 1 3445801 35176501 121211222322301