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22211012212211 is a prime number
BaseRepresentation
bin1010000110011011001110…
…11111100011010111110011
32220122100111122000101100202
411003031213133203113303
510402401123111242321
6115123333111105415
74451456405521634
oct503154737432763
986570448011322
1022211012212211
117093701399049
1225a878707226b
13c51649479374
1456b03955b88b
15287b5ce8a70b
hex1433677e35f3

22211012212211 has 2 divisors, whose sum is σ = 22211012212212. Its totient is φ = 22211012212210.

The previous prime is 22211012212121. The next prime is 22211012212267. The reversal of 22211012212211 is 11221221011222.

Together with previous prime (22211012212121) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-22211012212211 is a prime.

It is not a weakly prime, because it can be changed into another prime (22211012212111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11105506106105 + 11105506106106.

It is an arithmetic number, because the mean of its divisors is an integer number (11105506106106).

Almost surely, 222211012212211 is an apocalyptic number.

22211012212211 is a deficient number, since it is larger than the sum of its proper divisors (1).

22211012212211 is an equidigital number, since it uses as much as digits as its factorization.

22211012212211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 22211012212211 its reverse (11221221011222), we get a palindrome (33432233223433).

The spelling of 22211012212211 in words is "twenty-two trillion, two hundred eleven billion, twelve million, two hundred twelve thousand, two hundred eleven".