101023223030209 has 2 divisors, whose sum is σ = 101023223030210. Its totient is φ = 101023223030208.

The previous prime is 101023223030203. The next prime is 101023223030333. The reversal of 101023223030209 is 902030322320101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62814691527184 + 38208531503025 = 7925572^2 + 6181305^2 .

It is a cyclic number.

It is not a de Polignac number, because 101023223030209 - 2³¹ = 101021075546561 is a prime.

It is a super-2 number, since 2×101023223030209² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (101023223030203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50511611515104 + 50511611515105.

It is an arithmetic number, because the mean of its divisors is an integer number (50511611515105).

Almost surely, 2^{101023223030209} is an apocalyptic number.

It is an amenable number.

101023223030209 is a deficient number, since it is larger than the sum of its proper divisors (1).

101023223030209 is an equidigital number, since it uses as much as digits as its factorization.

101023223030209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 28.

The spelling of 101023223030209 in words is "one hundred one trillion, twenty-three billion, two hundred twenty-three million, thirty thousand, two hundred nine".