11000010110021 has 4 divisors (see below), whose sum is σ = 11379320803500. Its totient is φ = 10620699416544.

The previous prime is 11000010110009. The next prime is 11000010110129. The reversal of 11000010110021 is 12001101000011.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5543646705025 + 5456363404996 = 2354495^2 + 2335886^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11000010110021 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11000010109990 and 11000010110008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11000010115021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 189655346696 + ... + 189655346753.

It is an arithmetic number, because the mean of its divisors is an integer number (2844830200875).

Almost surely, 2^{11000010110021} is an apocalyptic number.

It is an amenable number.

11000010110021 is a deficient number, since it is larger than the sum of its proper divisors (379310693479).

11000010110021 is an equidigital number, since it uses as much as digits as its factorization.

11000010110021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379310693478.

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 11000010110021 its reverse (12001101000011), we get a palindrome (23001111110032).

The spelling of 11000010110021 in words is "eleven trillion, ten million, one hundred ten thousand, twenty-one".