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2022222121111 is a prime number
BaseRepresentation
bin11101011011010101110…
…101001100100010010111
321011022201010200120022201
4131123111311030202113
5231113002330333421
64144555050105331
7266046356263123
oct35332565144227
97138633616281
102022222121111
1170a68a739335
12287b0611b247
1311890541736a
146dc39d30583
1537908d84b91
hex1d6d5d4c897

2022222121111 has 2 divisors, whose sum is σ = 2022222121112. Its totient is φ = 2022222121110.

The previous prime is 2022222121069. The next prime is 2022222121121. The reversal of 2022222121111 is 1111212222202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2022222121111 - 27 = 2022222120983 is a prime.

It is a super-2 number, since 2×20222221211112 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2022222121121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1011111060555 + 1011111060556.

It is an arithmetic number, because the mean of its divisors is an integer number (1011111060556).

Almost surely, 22022222121111 is an apocalyptic number.

2022222121111 is a deficient number, since it is larger than the sum of its proper divisors (1).

2022222121111 is an equidigital number, since it uses as much as digits as its factorization.

2022222121111 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 19.

Adding to 2022222121111 its reverse (1111212222202), we get a palindrome (3133434343313).

The spelling of 2022222121111 in words is "two trillion, twenty-two billion, two hundred twenty-two million, one hundred twenty-one thousand, one hundred eleven".