10010101012209 has 12 divisors (see below), whose sum is σ = 14621495861700. Its totient is φ = 6598418644224.

The previous prime is 10010101012181. The next prime is 10010101012211. The reversal of 10010101012209 is 90221010101001.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1313075351025 + 8697025661184 = 1145895^2 + 2949072^2 .

It is not a de Polignac number, because 10010101012209 - 2¹² = 10010101008113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10010101012191 and 10010101012200.

It is not an unprimeable number, because it can be changed into a prime (10010101012229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6248501704 + ... + 6248503305.

It is an arithmetic number, because the mean of its divisors is an integer number (1218457988475).

Almost surely, 2^{10010101012209} is an apocalyptic number.

It is an amenable number.

10010101012209 is a deficient number, since it is larger than the sum of its proper divisors (4611394849491).

10010101012209 is a wasteful number, since it uses less digits than its factorization.

10010101012209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12497005104 (or 12497005101 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

The spelling of 10010101012209 in words is "ten trillion, ten billion, one hundred one million, twelve thousand, two hundred nine".