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12002102111 is a prime number
BaseRepresentation
bin10110010110110000…
…11000101101011111
31010222110001221220102
423023120120231133
5144040014231421
65302542411315
7603265120226
oct131330305537
933873057812
1012002102111
1150a9967a5a
1223ab590b3b
13119371c58c
1481c007cbd
154a3a3860b
hex2cb618b5f

12002102111 has 2 divisors, whose sum is σ = 12002102112. Its totient is φ = 12002102110.

The previous prime is 12002102087. The next prime is 12002102113. The reversal of 12002102111 is 11120120021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12002102111 - 214 = 12002085727 is a prime.

Together with 12002102113, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 12002102092 and 12002102101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12002102113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6001051055 + 6001051056.

It is an arithmetic number, because the mean of its divisors is an integer number (6001051056).

Almost surely, 212002102111 is an apocalyptic number.

12002102111 is a deficient number, since it is larger than the sum of its proper divisors (1).

12002102111 is an equidigital number, since it uses as much as digits as its factorization.

12002102111 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 12002102111 its reverse (11120120021), we get a palindrome (23122222132).

The spelling of 12002102111 in words is "twelve billion, two million, one hundred two thousand, one hundred eleven".