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122102101501 is a prime number
BaseRepresentation
bin111000110110111011…
…0100011010111111101
3102200011111122102122121
41301231312203113331
54000031114222001
6132032023442541
711551542511132
oct1615566432775
9380144572577
10122102101501
11478684a9096
121b7b78b6451
13b68b85c903
145ca45bc589
1532997d56a1
hex1c6dda35fd

122102101501 has 2 divisors, whose sum is σ = 122102101502. Its totient is φ = 122102101500.

The previous prime is 122102101481. The next prime is 122102101633. The reversal of 122102101501 is 105101201221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 119336393401 + 2765708100 = 345451^2 + 52590^2 .

It is a cyclic number.

It is not a de Polignac number, because 122102101501 - 223 = 122093712893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122102101001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61051050750 + 61051050751.

It is an arithmetic number, because the mean of its divisors is an integer number (61051050751).

Almost surely, 2122102101501 is an apocalyptic number.

It is an amenable number.

122102101501 is a deficient number, since it is larger than the sum of its proper divisors (1).

122102101501 is an equidigital number, since it uses as much as digits as its factorization.

122102101501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40, while the sum is 16.

Adding to 122102101501 its reverse (105101201221), we get a palindrome (227203302722).

The spelling of 122102101501 in words is "one hundred twenty-two billion, one hundred two million, one hundred one thousand, five hundred one".