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121342222243321 is a prime number
BaseRepresentation
bin11011100101110000110000…
…000011011001010111111001
3120220122012111002201200102021
4123211300300003121113321
5111401032332343241241
61110023503005434441
734362454246050052
oct3345606003312771
9526565432650367
10121342222243321
1135732a47086772
1211738b2886ba21
1352926a3ac5531
1421d6dcddb3729
15e065ca1c50d1
hex6e5c300d95f9

121342222243321 has 2 divisors, whose sum is σ = 121342222243322. Its totient is φ = 121342222243320.

The previous prime is 121342222243283. The next prime is 121342222243387. The reversal of 121342222243321 is 123342222243121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 121304561407225 + 37660836096 = 11013835^2 + 194064^2 .

It is a cyclic number.

It is not a de Polignac number, because 121342222243321 - 235 = 121307862504953 is a prime.

It is not a weakly prime, because it can be changed into another prime (121342222240321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60671111121660 + 60671111121661.

It is an arithmetic number, because the mean of its divisors is an integer number (60671111121661).

Almost surely, 2121342222243321 is an apocalyptic number.

It is an amenable number.

121342222243321 is a deficient number, since it is larger than the sum of its proper divisors (1).

121342222243321 is an equidigital number, since it uses as much as digits as its factorization.

121342222243321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 55296, while the sum is 34.

Adding to 121342222243321 its reverse (123342222243121), we get a palindrome (244684444486442).

The spelling of 121342222243321 in words is "one hundred twenty-one trillion, three hundred forty-two billion, two hundred twenty-two million, two hundred forty-three thousand, three hundred twenty-one".