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1222010012101 is a prime number
BaseRepresentation
bin10001110010000101011…
…110010000000111000101
311022211012222102120110211
4101302011132100013011
5130010134030341401
62333214511315421
7154200355501354
oct21620536200705
94284188376424
101222010012101
11431284880a3a
12178a0081bb71
138b309533bc8
144320775399b
1521bc2145951
hex11c857901c5

1222010012101 has 2 divisors, whose sum is σ = 1222010012102. Its totient is φ = 1222010012100.

The previous prime is 1222010012089. The next prime is 1222010012183. The reversal of 1222010012101 is 1012100102221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 853038807201 + 368971204900 = 923601^2 + 607430^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1222010012101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222010712101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611005006050 + 611005006051.

It is an arithmetic number, because the mean of its divisors is an integer number (611005006051).

Almost surely, 21222010012101 is an apocalyptic number.

It is an amenable number.

1222010012101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222010012101 is an equidigital number, since it uses as much as digits as its factorization.

1222010012101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1222010012101 its reverse (1012100102221), we get a palindrome (2234110114322).

The spelling of 1222010012101 in words is "one trillion, two hundred twenty-two billion, ten million, twelve thousand, one hundred one".