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120211210001 is a prime number
BaseRepresentation
bin110111111110100100…
…1010111111100010001
3102111021201121012011002
41233331021113330101
53432143032210001
6131120235231345
711453642266001
oct1577511277421
9374251535132
10120211210001
1146a88104343
121b36a5a8555
13b449b97bbc
145b65406001
1531d87c646b
hex1bfd257f11

120211210001 has 2 divisors, whose sum is σ = 120211210002. Its totient is φ = 120211210000.

The previous prime is 120211209959. The next prime is 120211210003. The reversal of 120211210001 is 100012112021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115477632400 + 4733577601 = 339820^2 + 68801^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-120211210001 is a prime.

It is a super-3 number, since 3×1202112100013 (a number of 34 digits) contains 333 as substring.

Together with 120211210003, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (120211210003) 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, 60105605000 + 60105605001.

It is an arithmetic number, because the mean of its divisors is an integer number (60105605001).

Almost surely, 2120211210001 is an apocalyptic number.

It is an amenable number.

120211210001 is a deficient number, since it is larger than the sum of its proper divisors (1).

120211210001 is an equidigital number, since it uses as much as digits as its factorization.

120211210001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 120211210001 its reverse (100012112021), we get a palindrome (220223322022).

The spelling of 120211210001 in words is "one hundred twenty billion, two hundred eleven million, two hundred ten thousand, one".