11100222200021 has 4 divisors (see below), whose sum is σ = 11102698274592. Its totient is φ = 11097746125452.

The previous prime is 11100222199993. The next prime is 11100222200047. The reversal of 11100222200021 is 12000222200111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11100222200021 - 2¹⁰ = 11100222198997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11100222199969 and 11100222200005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11100222205021) 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, 1238030561 + ... + 1238039526.

It is an arithmetic number, because the mean of its divisors is an integer number (2775674568648).

Almost surely, 2^{11100222200021} is an apocalyptic number.

It is an amenable number.

11100222200021 is a deficient number, since it is larger than the sum of its proper divisors (2476074571).

11100222200021 is an equidigital number, since it uses as much as digits as its factorization.

11100222200021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2476074570.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 11100222200021 its reverse (12000222200111), we get a palindrome (23100444400132).

The spelling of 11100222200021 in words is "eleven trillion, one hundred billion, two hundred twenty-two million, two hundred thousand, twenty-one".