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122021010100069 is a prime number
BaseRepresentation
bin11011101111101000111010…
…111101100100111101100101
3121000001002112222211112221221
4123233220322331210331211
5111443143012041200234
61111303402253140341
734462504244454253
oct3357507275447545
9530032488745857
10122021010100069
1135974902136163
12118285a548a6b1
1353116bb701102
14221bbc40215d3
15e190a6dc7eb4
hex6efa3af64f65

122021010100069 has 2 divisors, whose sum is σ = 122021010100070. Its totient is φ = 122021010100068.

The previous prime is 122021010100063. The next prime is 122021010100103. The reversal of 122021010100069 is 960001010120221.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 112706611297569 + 9314398802500 = 10616337^2 + 3051950^2 .

It is a cyclic number.

It is not a de Polignac number, because 122021010100069 - 25 = 122021010100037 is a prime.

It is a super-2 number, since 2×1220210101000692 (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 (122021010100063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61010505050034 + 61010505050035.

It is an arithmetic number, because the mean of its divisors is an integer number (61010505050035).

Almost surely, 2122021010100069 is an apocalyptic number.

It is an amenable number.

122021010100069 is a deficient number, since it is larger than the sum of its proper divisors (1).

122021010100069 is an equidigital number, since it uses as much as digits as its factorization.

122021010100069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 25.

The spelling of 122021010100069 in words is "one hundred twenty-two trillion, twenty-one billion, ten million, one hundred thousand, sixty-nine".