201023011001011 has 8 divisors (see below), whose sum is σ = 203240708798400. Its totient is φ = 198816893871552.

The previous prime is 201023011000993. The next prime is 201023011001017. The reversal of 201023011001011 is 110100110320102.

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 not a de Polignac number, because 201023011001011 - 2¹³ = 201023010992819 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201023011000982 and 201023011001000.

It is not an unprimeable number, because it can be changed into a prime (201023011001017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2895132075 + ... + 2895201508.

It is an arithmetic number, because the mean of its divisors is an integer number (25405088599800).

Almost surely, 2^{201023011001011} is an apocalyptic number.

201023011001011 is a deficient number, since it is larger than the sum of its proper divisors (2217697797389).

201023011001011 is a wasteful number, since it uses less digits than its factorization.

201023011001011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5790333965.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 201023011001011 its reverse (110100110320102), we get a palindrome (311123121321113).

The spelling of 201023011001011 in words is "two hundred one trillion, twenty-three billion, eleven million, one thousand, eleven".