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122102100997 is a prime number
BaseRepresentation
bin111000110110111011…
…0100011010000000101
3102200011111122101221221
41301231312203100011
54000031114212442
6132032023440341
711551542506512
oct1615566432005
9380144571857
10122102100997
11478684a8778
121b7b78b60b1
13b68b85c606
145ca45bc309
1532997d5467
hex1c6dda3405

122102100997 has 2 divisors, whose sum is σ = 122102100998. Its totient is φ = 122102100996.

The previous prime is 122102100937. The next prime is 122102101001. The reversal of 122102100997 is 799001201221.

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., 102434562916 + 19667538081 = 320054^2 + 140241^2 .

It is a cyclic number.

It is not a de Polignac number, because 122102100997 - 215 = 122102068229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122102100937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61051050498 + 61051050499.

It is an arithmetic number, because the mean of its divisors is an integer number (61051050499).

Almost surely, 2122102100997 is an apocalyptic number.

It is an amenable number.

122102100997 is a deficient number, since it is larger than the sum of its proper divisors (1).

122102100997 is an equidigital number, since it uses as much as digits as its factorization.

122102100997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 34.

The spelling of 122102100997 in words is "one hundred twenty-two billion, one hundred two million, one hundred thousand, nine hundred ninety-seven".