11010101120203 has 8 divisors (see below), whose sum is σ = 11091944485440. Its totient is φ = 10928295383880.

The previous prime is 11010101120191. The next prime is 11010101120209. The reversal of 11010101120203 is 30202110101011.

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 11010101120203 - 2²⁵ = 11010067565771 is a prime.

It is a super-2 number, since 2×11010101120203² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11010101120209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8819725 + ... + 9990382.

It is an arithmetic number, because the mean of its divisors is an integer number (1386493060680).

Almost surely, 2^{11010101120203} is an apocalyptic number.

11010101120203 is a deficient number, since it is larger than the sum of its proper divisors (81843365237).

11010101120203 is a wasteful number, since it uses less digits than its factorization.

11010101120203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18814457.

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

Adding to 11010101120203 its reverse (30202110101011), we get a palindrome (41212211221214).

The spelling of 11010101120203 in words is "eleven trillion, ten billion, one hundred one million, one hundred twenty thousand, two hundred three".