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122122021229993 is a prime number
BaseRepresentation
bin11011110001000110111111…
…101100011101010110101001
3121000101202021122002121201002
4123301012333230131112221
5112001321344413324433
61111422025420204345
734503011350060361
oct3361067754352651
9530352248077632
10122122021229993
1135a037272a7124
12118440959996b5
13531b098846985
142222a474899a1
15e1ba19c919e8
hex6f11bfb1d5a9

122122021229993 has 2 divisors, whose sum is σ = 122122021229994. Its totient is φ = 122122021229992.

The previous prime is 122122021229977. The next prime is 122122021230029. The reversal of 122122021229993 is 399922120221221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111276084367504 + 10845936862489 = 10548748^2 + 3293317^2 .

It is a cyclic number.

It is not a de Polignac number, because 122122021229993 - 24 = 122122021229977 is a prime.

It is a super-2 number, since 2×1221220212299932 (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (122122021249993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61061010614996 + 61061010614997.

It is an arithmetic number, because the mean of its divisors is an integer number (61061010614997).

Almost surely, 2122122021229993 is an apocalyptic number.

It is an amenable number.

122122021229993 is a deficient number, since it is larger than the sum of its proper divisors (1).

122122021229993 is an equidigital number, since it uses as much as digits as its factorization.

122122021229993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 279936, while the sum is 47.

The spelling of 122122021229993 in words is "one hundred twenty-two trillion, one hundred twenty-two billion, twenty-one million, two hundred twenty-nine thousand, nine hundred ninety-three".