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2010111222257 is a prime number
BaseRepresentation
bin11101010000000011111…
…101110010000111110001
321010011110002220011100022
4131100003331302013301
5230413201433103012
64135233215333225
7265140300322115
oct35200375620761
97104402804308
102010111222257
11705535421816
122856a6221215
131177252c4318
146d40b6c5745
153744aa0a472
hex1d403f721f1

2010111222257 has 2 divisors, whose sum is σ = 2010111222258. Its totient is φ = 2010111222256.

The previous prime is 2010111222193. The next prime is 2010111222263. The reversal of 2010111222257 is 7522221110102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1921464496561 + 88646725696 = 1386169^2 + 297736^2 .

It is a cyclic number.

It is not a de Polignac number, because 2010111222257 - 26 = 2010111222193 is a prime.

It is not a weakly prime, because it can be changed into another prime (2010111222157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005055611128 + 1005055611129.

It is an arithmetic number, because the mean of its divisors is an integer number (1005055611129).

Almost surely, 22010111222257 is an apocalyptic number.

It is an amenable number.

2010111222257 is a deficient number, since it is larger than the sum of its proper divisors (1).

2010111222257 is an equidigital number, since it uses as much as digits as its factorization.

2010111222257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1120, while the sum is 26.

Adding to 2010111222257 its reverse (7522221110102), we get a palindrome (9532332332359).

The spelling of 2010111222257 in words is "two trillion, ten billion, one hundred eleven million, two hundred twenty-two thousand, two hundred fifty-seven".