1100221132001 has 4 divisors (see below), whose sum is σ = 1101467136432. Its totient is φ = 1098975127572.

The previous prime is 1100221131949. The next prime is 1100221132063. The reversal of 1100221132001 is 1002311220011.

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 1100221132001 - 2¹⁰ = 1100221130977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1100221132081) 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, 623000891 + ... + 623002656.

It is an arithmetic number, because the mean of its divisors is an integer number (275366784108).

Almost surely, 2^{1100221132001} is an apocalyptic number.

It is an amenable number.

1100221132001 is a deficient number, since it is larger than the sum of its proper divisors (1246004431).

1100221132001 is an equidigital number, since it uses as much as digits as its factorization.

1100221132001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1246004430.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 1100221132001 its reverse (1002311220011), we get a palindrome (2102532352012).

The spelling of 1100221132001 in words is "one trillion, one hundred billion, two hundred twenty-one million, one hundred thirty-two thousand, one".