11220220110001 has 4 divisors (see below), whose sum is σ = 12823108697152. Its totient is φ = 9617331522852.

The previous prime is 11220220109981. The next prime is 11220220110049. The reversal of 11220220110001 is 10001102202211.

11220220110001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11220220110001 - 2¹⁹ = 11220219585713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11220220110901) 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, 801444293565 + ... + 801444293578.

It is an arithmetic number, because the mean of its divisors is an integer number (3205777174288).

Almost surely, 2^{11220220110001} is an apocalyptic number.

It is an amenable number.

11220220110001 is a deficient number, since it is larger than the sum of its proper divisors (1602888587151).

11220220110001 is an equidigital number, since it uses as much as digits as its factorization.

11220220110001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1602888587150.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 11220220110001 its reverse (10001102202211), we get a palindrome (21221322312212).

The spelling of 11220220110001 in words is "eleven trillion, two hundred twenty billion, two hundred twenty million, one hundred ten thousand, one".