11021201023 has 8 divisors (see below), whose sum is σ = 12598778880. Its totient is φ = 9444403320.

The previous prime is 11021200987. The next prime is 11021201027. The reversal of 11021201023 is 32010212011.

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 11021201023 - 2¹⁷ = 11021069951 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11021200994 and 11021201012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11021201027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164443 + ... + 221548.

It is an arithmetic number, because the mean of its divisors is an integer number (1574847360).

Almost surely, 2^11021201023 is an apocalyptic number.

11021201023 is a deficient number, since it is larger than the sum of its proper divisors (1577577857).

11021201023 is an equidigital number, since it uses as much as digits as its factorization.

11021201023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390077.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 11021201023 its reverse (32010212011), we get a palindrome (43031413034).

The spelling of 11021201023 in words is "eleven billion, twenty-one million, two hundred one thousand, twenty-three".