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121010212011097 is a prime number
BaseRepresentation
bin11011100000111011100010…
…101100110111110001011001
3120212110110111201220101002201
4123200323202230313301121
5111330112403233323342
61105211153550130201
734326461601456253
oct3340734254676131
9525413451811081
10121010212011097
1135615162a501a2
12116a470b1b0961
13526a2a22b4016
1421c4cd5866cd3
15decb476a7db7
hex6e0ee2b37c59

121010212011097 has 2 divisors, whose sum is σ = 121010212011098. Its totient is φ = 121010212011096.

The previous prime is 121010212011079. The next prime is 121010212011149. The reversal of 121010212011097 is 790110212010121.

Together with previous prime (121010212011079) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110111359612816 + 10898852398281 = 10493396^2 + 3301341^2 .

It is a cyclic number.

It is not a de Polignac number, because 121010212011097 - 215 = 121010211978329 is a prime.

It is a super-2 number, since 2×1210102120110972 (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (121010212015097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60505106005548 + 60505106005549.

It is an arithmetic number, because the mean of its divisors is an integer number (60505106005549).

Almost surely, 2121010212011097 is an apocalyptic number.

It is an amenable number.

121010212011097 is a deficient number, since it is larger than the sum of its proper divisors (1).

121010212011097 is an equidigital number, since it uses as much as digits as its factorization.

121010212011097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 28.

The spelling of 121010212011097 in words is "one hundred twenty-one trillion, ten billion, two hundred twelve million, eleven thousand, ninety-seven".