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101220113369 is a prime number
BaseRepresentation
bin101111001000100110…
…0000101101111011001
3100200021012111112010202
41132101030011233121
53124244322111434
6114255550151545
710212220524224
oct1362114055731
9320235445122
10101220113369
1139a2212a361
121774a4b25b5
139711526b0b
144c831085bb
1529763e9a7e
hex1791305bd9

101220113369 has 2 divisors, whose sum is σ = 101220113370. Its totient is φ = 101220113368.

The previous prime is 101220113363. The next prime is 101220113479. The reversal of 101220113369 is 963311022101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54960706969 + 46259406400 = 234437^2 + 215080^2 .

It is an emirp because it is prime and its reverse (963311022101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 101220113369 - 224 = 101203336153 is a prime.

It is a super-2 number, since 2×1012201133692 (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (101220113363) 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 as a sum of consecutive naturals, namely, 50610056684 + 50610056685.

It is an arithmetic number, because the mean of its divisors is an integer number (50610056685).

Almost surely, 2101220113369 is an apocalyptic number.

It is an amenable number.

101220113369 is a deficient number, since it is larger than the sum of its proper divisors (1).

101220113369 is an equidigital number, since it uses as much as digits as its factorization.

101220113369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 29.

The spelling of 101220113369 in words is "one hundred one billion, two hundred twenty million, one hundred thirteen thousand, three hundred sixty-nine".