201001202220073 has 2 divisors, whose sum is σ = 201001202220074. Its totient is φ = 201001202220072.

The previous prime is 201001202219977. The next prime is 201001202220103. The reversal of 201001202220073 is 370022202100102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 194143313995024 + 6857888225049 = 13933532^2 + 2618757^2 .

It is a cyclic number.

It is not a de Polignac number, because 201001202220073 - 2³³ = 200992612285481 is a prime.

It is not a weakly prime, because it can be changed into another prime (201001202229073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100500601110036 + 100500601110037.

It is an arithmetic number, because the mean of its divisors is an integer number (100500601110037).

Almost surely, 2^{201001202220073} is an apocalyptic number.

It is an amenable number.

201001202220073 is a deficient number, since it is larger than the sum of its proper divisors (1).

201001202220073 is an equidigital number, since it uses as much as digits as its factorization.

201001202220073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 22.

Adding to 201001202220073 its reverse (370022202100102), we get a palindrome (571023404320175).

The spelling of 201001202220073 in words is "two hundred one trillion, one billion, two hundred two million, two hundred twenty thousand, seventy-three".