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12021111101201 is a prime number
BaseRepresentation
bin1010111011101110001000…
…0011101001011100010001
31120120012120220100011100112
42232323202003221130101
53033423213420214301
641322231110131105
72350332224266346
oct256734203513421
946505526304315
1012021111101201
113915140910684
121421931950a95
13692780334047
142d7b796927cd
1515ca6b4b69bb
hexaeee20e9711

12021111101201 has 2 divisors, whose sum is σ = 12021111101202. Its totient is φ = 12021111101200.

The previous prime is 12021111101173. The next prime is 12021111101239. The reversal of 12021111101201 is 10210111112021.

12021111101201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7564705660801 + 4456405440400 = 2750401^2 + 2111020^2 .

It is an emirp because it is prime and its reverse (10210111112021) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12021111101201 is a prime.

It is a super-2 number, since 2×120211111012012 (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12021111101501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6010555550600 + 6010555550601.

It is an arithmetic number, because the mean of its divisors is an integer number (6010555550601).

Almost surely, 212021111101201 is an apocalyptic number.

It is an amenable number.

12021111101201 is a deficient number, since it is larger than the sum of its proper divisors (1).

12021111101201 is an equidigital number, since it uses as much as digits as its factorization.

12021111101201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 12021111101201 its reverse (10210111112021), we get a palindrome (22231222213222).

The spelling of 12021111101201 in words is "twelve trillion, twenty-one billion, one hundred eleven million, one hundred one thousand, two hundred one".