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122022101010181 is a prime number
BaseRepresentation
bin11011101111101001111011…
…111111000100011100000101
3121000001012101000120112022011
4123233221323333010130011
5111443202230324311211
61111304102423134221
734462543262161231
oct3357517377043405
9530035330515264
10122022101010181
1135975311a02069
121182884a8a4371
13531183371b558
14221bc88c755c1
15e1911ca65921
hex6efa7bfc4705

122022101010181 has 2 divisors, whose sum is σ = 122022101010182. Its totient is φ = 122022101010180.

The previous prime is 122022101010143. The next prime is 122022101010209. The reversal of 122022101010181 is 181010101220221.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 91412548902081 + 30609552108100 = 9560991^2 + 5532590^2 .

It is a cyclic number.

It is not a de Polignac number, because 122022101010181 - 27 = 122022101010053 is a prime.

It is a super-2 number, since 2×1220221010101812 (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 (122022101310181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61011050505090 + 61011050505091.

It is an arithmetic number, because the mean of its divisors is an integer number (61011050505091).

Almost surely, 2122022101010181 is an apocalyptic number.

It is an amenable number.

122022101010181 is a deficient number, since it is larger than the sum of its proper divisors (1).

122022101010181 is an equidigital number, since it uses as much as digits as its factorization.

122022101010181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 128, while the sum is 22.

The spelling of 122022101010181 in words is "one hundred twenty-two trillion, twenty-two billion, one hundred one million, ten thousand, one hundred eighty-one".