Search a number
-
+
221212002001027 is a prime number
BaseRepresentation
bin110010010011000011101110…
…110011001010000010000011
31002000020122211202200111110011
4302103003232303022002003
5212443314140003013102
62102251220224445351
764411016425352212
oct6223035663120203
91060218752614404
10221212002001027
1164537535165494
122098844ba79857
139658282542b6b
143c8aa0a389079
151a893726292d7
hexc930eecca083

221212002001027 has 2 divisors, whose sum is σ = 221212002001028. Its totient is φ = 221212002001026.

The previous prime is 221212002000989. The next prime is 221212002001033. The reversal of 221212002001027 is 720100200212122.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-221212002001027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 221212002000989 and 221212002001007.

It is not a weakly prime, because it can be changed into another prime (221212002001057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110606001000513 + 110606001000514.

It is an arithmetic number, because the mean of its divisors is an integer number (110606001000514).

Almost surely, 2221212002001027 is an apocalyptic number.

221212002001027 is a deficient number, since it is larger than the sum of its proper divisors (1).

221212002001027 is an equidigital number, since it uses as much as digits as its factorization.

221212002001027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 22.

Adding to 221212002001027 its reverse (720100200212122), we get a palindrome (941312202213149).

The spelling of 221212002001027 in words is "two hundred twenty-one trillion, two hundred twelve billion, two million, one thousand, twenty-seven".