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1010022222161 is a prime number
BaseRepresentation
bin11101011001010100000…
…01000000100101010001
310120120001012000001200102
432230222001000211101
5113022011142102121
62051555305302145
7132654202143431
oct16545201004521
93516035001612
101010022222161
1135a391238827
121438ba494955
1374324766a04
1436c575122c1
151b41656390b
hexeb2a040951

1010022222161 has 2 divisors, whose sum is σ = 1010022222162. Its totient is φ = 1010022222160.

The previous prime is 1010022222107. The next prime is 1010022222163. The reversal of 1010022222161 is 1612222200101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 766948571536 + 243073650625 = 875756^2 + 493025^2 .

It is a cyclic number.

It is not a de Polignac number, because 1010022222161 - 222 = 1010018027857 is a prime.

Together with 1010022222163, 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 (1010022222163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505011111080 + 505011111081.

It is an arithmetic number, because the mean of its divisors is an integer number (505011111081).

Almost surely, 21010022222161 is an apocalyptic number.

It is an amenable number.

1010022222161 is a deficient number, since it is larger than the sum of its proper divisors (1).

1010022222161 is an equidigital number, since it uses as much as digits as its factorization.

1010022222161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 1010022222161 its reverse (1612222200101), we get a palindrome (2622244422262).

The spelling of 1010022222161 in words is "one trillion, ten billion, twenty-two million, two hundred twenty-two thousand, one hundred sixty-one".