10111201220009 has 2 divisors, whose sum is σ = 10111201220010. Its totient is φ = 10111201220008.

The previous prime is 10111201219993. The next prime is 10111201220051. The reversal of 10111201220009 is 90002210211101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8135883408409 + 1975317811600 = 2852347^2 + 1405460^2 .

It is a cyclic number.

It is not a de Polignac number, because 10111201220009 - 2⁴ = 10111201219993 is a prime.

It is a super-2 number, since 2×10111201220009² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10111201220059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5055600610004 + 5055600610005.

It is an arithmetic number, because the mean of its divisors is an integer number (5055600610005).

Almost surely, 2^{10111201220009} is an apocalyptic number.

It is an amenable number.

10111201220009 is a deficient number, since it is larger than the sum of its proper divisors (1).

10111201220009 is an equidigital number, since it uses as much as digits as its factorization.

10111201220009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 20.

The spelling of 10111201220009 in words is "ten trillion, one hundred eleven billion, two hundred one million, two hundred twenty thousand, nine".