11100021101121 has 64 divisors (see below), whose sum is σ = 16159738070016. Its totient is φ = 6751623168000.

The previous prime is 11100021101051. The next prime is 11100021101129. The reversal of 11100021101121 is 12110112000111.

It is not a de Polignac number, because 11100021101121 - 2¹¹ = 11100021099073 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11100021101097 and 11100021101106.

It is not an unprimeable number, because it can be changed into a prime (11100021101129) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 51407416 + ... + 51622886.

It is an arithmetic number, because the mean of its divisors is an integer number (252495907344).

Almost surely, 2^{11100021101121} is an apocalyptic number.

It is an amenable number.

11100021101121 is a deficient number, since it is larger than the sum of its proper divisors (5059716968895).

11100021101121 is a wasteful number, since it uses less digits than its factorization.

11100021101121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215802.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 11100021101121 its reverse (12110112000111), we get a palindrome (23210133101232).

The spelling of 11100021101121 in words is "eleven trillion, one hundred billion, twenty-one million, one hundred one thousand, one hundred twenty-one".