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2002102111 is a prime number
BaseRepresentation
bin111011101010101…
…1010011101011111
312011112022022210001
41313111122131133
513100014231421
6530355555131
7100420405252
oct16725323537
95145268701
102002102111
11938152a49
1247a5bbaa7
1325ba32109
1414dc85099
15bab7a691
hex7755a75f

2002102111 has 2 divisors, whose sum is σ = 2002102112. Its totient is φ = 2002102110.

The previous prime is 2002102103. The next prime is 2002102117. The reversal of 2002102111 is 1112012002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2002102111 - 23 = 2002102103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2002102117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001051055 + 1001051056.

It is an arithmetic number, because the mean of its divisors is an integer number (1001051056).

Almost surely, 22002102111 is an apocalyptic number.

2002102111 is a deficient number, since it is larger than the sum of its proper divisors (1).

2002102111 is an equidigital number, since it uses as much as digits as its factorization.

2002102111 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 10.

The square root of 2002102111 is about 44744.8556931409. The cubic root of 2002102111 is about 1260.3623109840.

Adding to 2002102111 its reverse (1112012002), we get a palindrome (3114114113).

The spelling of 2002102111 in words is "two billion, two million, one hundred two thousand, one hundred eleven".