11100122011021 has 8 divisors (see below), whose sum is σ = 11167359911424. Its totient is φ = 11032919459760.

The previous prime is 11100122011019. The next prime is 11100122011067. The reversal of 11100122011021 is 12011022100111.

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 11100122011021 - 2¹ = 11100122011019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11100122010992 and 11100122011010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11100122011001) 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, 8207221 + ... + 9463546.

It is an arithmetic number, because the mean of its divisors is an integer number (1395919988928).

Almost surely, 2^{11100122011021} is an apocalyptic number.

It is an amenable number.

11100122011021 is a deficient number, since it is larger than the sum of its proper divisors (67237900403).

11100122011021 is a wasteful number, since it uses less digits than its factorization.

11100122011021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17674571.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11100122011021 its reverse (12011022100111), we get a palindrome (23111144111132).

The spelling of 11100122011021 in words is "eleven trillion, one hundred billion, one hundred twenty-two million, eleven thousand, twenty-one".