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122020022021101 is a prime number
BaseRepresentation
bin11011101111101000000000…
…000100010110101111101101
3121000001000000010120221102121
4123233220000010112233231
5111443134001114133401
61111303120235152541
734462440616103461
oct3357500004265755
9530030003527377
10122020022021101
1135974445414876
121182836a5a5751
135311591aa8cb9
14221bb2cad84a1
15e1904a29dca1
hex6efa00116bed

122020022021101 has 2 divisors, whose sum is σ = 122020022021102. Its totient is φ = 122020022021100.

The previous prime is 122020022021099. The next prime is 122020022021129. The reversal of 122020022021101 is 101120220020221.

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., 74524355297001 + 47495666724100 = 8632749^2 + 6891710^2 .

It is a cyclic number.

It is not a de Polignac number, because 122020022021101 - 21 = 122020022021099 is a prime.

Together with 122020022021099, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122020022024101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61010011010550 + 61010011010551.

It is an arithmetic number, because the mean of its divisors is an integer number (61010011010551).

Almost surely, 2122020022021101 is an apocalyptic number.

It is an amenable number.

122020022021101 is a deficient number, since it is larger than the sum of its proper divisors (1).

122020022021101 is an equidigital number, since it uses as much as digits as its factorization.

122020022021101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 122020022021101 its reverse (101120220020221), we get a palindrome (223140242041322).

The spelling of 122020022021101 in words is "one hundred twenty-two trillion, twenty billion, twenty-two million, twenty-one thousand, one hundred one".