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122101010131 is a prime number
BaseRepresentation
bin111000110110111001…
…0011000111011010011
3102200011102120222120111
41301231302120323103
54000030324311011
6132031544222151
711551530314242
oct1615562307323
9380142528514
10122101010131
1147867923131
121b7b746a957
13b68b569c29
145ca43b6959
15329966c121
hex1c6dc98ed3

122101010131 has 2 divisors, whose sum is σ = 122101010132. Its totient is φ = 122101010130.

The previous prime is 122101010123. The next prime is 122101010147. The reversal of 122101010131 is 131010101221.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122101010131 - 23 = 122101010123 is a prime.

It is a super-2 number, since 2×1221010101312 (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (122101010191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61050505065 + 61050505066.

It is an arithmetic number, because the mean of its divisors is an integer number (61050505066).

Almost surely, 2122101010131 is an apocalyptic number.

122101010131 is a deficient number, since it is larger than the sum of its proper divisors (1).

122101010131 is an equidigital number, since it uses as much as digits as its factorization.

122101010131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 122101010131 its reverse (131010101221), we get a palindrome (253111111352).

The spelling of 122101010131 in words is "one hundred twenty-two billion, one hundred one million, ten thousand, one hundred thirty-one".