11023112221001 has 4 divisors (see below), whose sum is σ = 11024453403600. Its totient is φ = 11021771038404.

The previous prime is 11023112220961. The next prime is 11023112221021. The reversal of 11023112221001 is 10012221132011.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2^k-11023112221001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11023112221021) 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, 670578971 + ... + 670595408.

It is an arithmetic number, because the mean of its divisors is an integer number (2756113350900).

Almost surely, 2^{11023112221001} is an apocalyptic number.

It is an amenable number.

11023112221001 is a deficient number, since it is larger than the sum of its proper divisors (1341182599).

11023112221001 is an equidigital number, since it uses as much as digits as its factorization.

11023112221001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1341182598.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 11023112221001 its reverse (10012221132011), we get a palindrome (21035333353012).

The spelling of 11023112221001 in words is "eleven trillion, twenty-three billion, one hundred twelve million, two hundred twenty-one thousand, one".