11012020133 has 16 divisors (see below), whose sum is σ = 11712402240. Its totient is φ = 10324195200.

The previous prime is 11012020127. The next prime is 11012020139. The reversal of 11012020133 is 33102021011.

It is an interprime number because it is at equal distance from previous prime (11012020127) and next prime (11012020139).

It is a cyclic number.

It is not a de Polignac number, because 11012020133 - 2⁶ = 11012020069 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11012020139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 855203 + ... + 867983.

It is an arithmetic number, because the mean of its divisors is an integer number (732025140).

Almost surely, 2^11012020133 is an apocalyptic number.

It is an amenable number.

11012020133 is a deficient number, since it is larger than the sum of its proper divisors (700382107).

11012020133 is a wasteful number, since it uses less digits than its factorization.

11012020133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13268.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 11012020133 its reverse (33102021011), we get a palindrome (44114041144).

The spelling of 11012020133 in words is "eleven billion, twelve million, twenty thousand, one hundred thirty-three".