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212022112111 is a prime number
BaseRepresentation
bin1100010101110110000…
…0001010111101101111
3202021021012000020221221
43011131200022331233
511433210130041421
6241222425404211
721214051134355
oct3053540127557
9667235006857
10212022112111
1181a10a55a47
1235111939667
1316cbbc26594
14a394a177d5
1557adb11841
hex315d80af6f

212022112111 has 2 divisors, whose sum is σ = 212022112112. Its totient is φ = 212022112110.

The previous prime is 212022112079. The next prime is 212022112121. The reversal of 212022112111 is 111211220212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212022112111 - 25 = 212022112079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212022112121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106011056055 + 106011056056.

It is an arithmetic number, because the mean of its divisors is an integer number (106011056056).

Almost surely, 2212022112111 is an apocalyptic number.

212022112111 is a deficient number, since it is larger than the sum of its proper divisors (1).

212022112111 is an equidigital number, since it uses as much as digits as its factorization.

212022112111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 212022112111 its reverse (111211220212), we get a palindrome (323233332323).

The spelling of 212022112111 in words is "two hundred twelve billion, twenty-two million, one hundred twelve thousand, one hundred eleven".