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210212011211 is a prime number
BaseRepresentation
bin1100001111000110011…
…1001011110011001011
3202002121000222121022212
43003301213023303023
511421003233324321
6240323044535335
721121151420306
oct3036147136313
9662530877285
10210212011211
1181172222394
12348a76b154b
1316a90c0aa67
14a262471b3d
155704c6055b
hex30f19cbccb

210212011211 has 2 divisors, whose sum is σ = 210212011212. Its totient is φ = 210212011210.

The previous prime is 210212011193. The next prime is 210212011213. The reversal of 210212011211 is 112110212012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 210212011211 - 26 = 210212011147 is a prime.

Together with 210212011213, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (210212011213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105106005605 + 105106005606.

It is an arithmetic number, because the mean of its divisors is an integer number (105106005606).

Almost surely, 2210212011211 is an apocalyptic number.

210212011211 is a deficient number, since it is larger than the sum of its proper divisors (1).

210212011211 is an equidigital number, since it uses as much as digits as its factorization.

210212011211 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 14.

Adding to 210212011211 its reverse (112110212012), we get a palindrome (322322223223).

The spelling of 210212011211 in words is "two hundred ten billion, two hundred twelve million, eleven thousand, two hundred eleven".