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102122401231 is a prime number
BaseRepresentation
bin101111100011011111…
…0000010110111001111
3100202121002022111101201
41133012332002313033
53133121313314411
6114525301250331
710243455042124
oct1370676026717
9322532274351
10102122401231
113a345484604
12179607039a7
139826441966
144d2ac9c74b
1529ca7293c1
hex17c6f82dcf

102122401231 has 2 divisors, whose sum is σ = 102122401232. Its totient is φ = 102122401230.

The previous prime is 102122401187. The next prime is 102122401301. The reversal of 102122401231 is 132104221201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102122401231 - 219 = 102121876943 is a prime.

It is a super-2 number, since 2×1021224012312 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102122401199 and 102122401208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102122401331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51061200615 + 51061200616.

It is an arithmetic number, because the mean of its divisors is an integer number (51061200616).

Almost surely, 2102122401231 is an apocalyptic number.

102122401231 is a deficient number, since it is larger than the sum of its proper divisors (1).

102122401231 is an equidigital number, since it uses as much as digits as its factorization.

102122401231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 102122401231 its reverse (132104221201), we get a palindrome (234226622432).

The spelling of 102122401231 in words is "one hundred two billion, one hundred twenty-two million, four hundred one thousand, two hundred thirty-one".