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121210110001151 is a prime number
BaseRepresentation
bin11011100011110101101101…
…100011001011111111111111
3120220011120110222020102020222
4123203311231203023333333
5111341401301130014101
61105443053353531555
734350066343400213
oct3343655543137777
9526146428212228
10121210110001151
1135691a12177856
12117173b8713bbb
1352830ab437882
1421d085a192943
15e02e46bcc01b
hex6e3d6d8cbfff

121210110001151 has 2 divisors, whose sum is σ = 121210110001152. Its totient is φ = 121210110001150.

The previous prime is 121210110001087. The next prime is 121210110001163. The reversal of 121210110001151 is 151100011012121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121210110001151 - 26 = 121210110001087 is a prime.

It is a super-2 number, since 2×1212101100011512 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121210110001451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60605055000575 + 60605055000576.

It is an arithmetic number, because the mean of its divisors is an integer number (60605055000576).

Almost surely, 2121210110001151 is an apocalyptic number.

121210110001151 is a deficient number, since it is larger than the sum of its proper divisors (1).

121210110001151 is an equidigital number, since it uses as much as digits as its factorization.

121210110001151 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20, while the sum is 17.

Adding to 121210110001151 its reverse (151100011012121), we get a palindrome (272310121013272).

The spelling of 121210110001151 in words is "one hundred twenty-one trillion, two hundred ten billion, one hundred ten million, one thousand, one hundred fifty-one".