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2002012211 is a prime number
BaseRepresentation
bin111011101010100…
…0100100000110011
312011112010202110102
41313111010200303
513100003342321
6530354023015
7100416552203
oct16725044063
95145122412
102002012211
119380a1451
1247a577a6b
1325ba00214
1414dc60403
15bab5dc0b
hex77544833

2002012211 has 2 divisors, whose sum is σ = 2002012212. Its totient is φ = 2002012210.

The previous prime is 2002012183. The next prime is 2002012213. The reversal of 2002012211 is 1122102002.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2002012211 - 222 = 1997817907 is a prime.

Together with 2002012213, 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 = 2002012192 and 2002012201.

It is not a weakly prime, because it can be changed into another prime (2002012213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001006105 + 1001006106.

It is an arithmetic number, because the mean of its divisors is an integer number (1001006106).

Almost surely, 22002012211 is an apocalyptic number.

2002012211 is a deficient number, since it is larger than the sum of its proper divisors (1).

2002012211 is an equidigital number, since it uses as much as digits as its factorization.

2002012211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 2002012211 is about 44743.8510971061. The cubic root of 2002012211 is about 1260.3434461008.

Adding to 2002012211 its reverse (1122102002), we get a palindrome (3124114213).

The spelling of 2002012211 in words is "two billion, two million, twelve thousand, two hundred eleven".