201001020021223 has 8 divisors (see below), whose sum is σ = 201252868839680. Its totient is φ = 200749181069880.

The previous prime is 201001020021161. The next prime is 201001020021233. The reversal of 201001020021223 is 322120020100102.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201001020021223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201001020021197 and 201001020021206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201001020021233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38731048 + ... + 43613026.

It is an arithmetic number, because the mean of its divisors is an integer number (25156608604960).

Almost surely, 2^{201001020021223} is an apocalyptic number.

201001020021223 is a deficient number, since it is larger than the sum of its proper divisors (251848818457).

201001020021223 is an equidigital number, since it uses as much as digits as its factorization.

201001020021223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4933557.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 201001020021223 its reverse (322120020100102), we get a palindrome (523121040121325).

The spelling of 201001020021223 in words is "two hundred one trillion, one billion, twenty million, twenty-one thousand, two hundred twenty-three".