11020112011001 has 8 divisors (see below), whose sum is σ = 11229085355400. Its totient is φ = 10811177433472.

The previous prime is 11020112010997. The next prime is 11020112011091. The reversal of 11020112011001 is 10011021102011.

It can be written as a sum of positive squares in 4 ways, for example, as 2105850834025 + 8914261176976 = 1451155^2 + 2985676^2 .

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 11020112011001 - 2² = 11020112010997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11020112011091) 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, 9117476 + ... + 10255173.

It is an arithmetic number, because the mean of its divisors is an integer number (1403635669425).

Almost surely, 2^{11020112011001} is an apocalyptic number.

It is an amenable number.

11020112011001 is a deficient number, since it is larger than the sum of its proper divisors (208973344399).

11020112011001 is a wasteful number, since it uses less digits than its factorization.

11020112011001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19383435.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 11020112011001 its reverse (10011021102011), we get a palindrome (21031133113012).

The spelling of 11020112011001 in words is "eleven trillion, twenty billion, one hundred twelve million, eleven thousand, one".