11221120100001 has 8 divisors (see below), whose sum is σ = 17098849676224. Its totient is φ = 6412068628560.

The previous prime is 11221120099997. The next prime is 11221120100039. The reversal of 11221120100001 is 10000102112211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11221120100001 - 2² = 11221120099997 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11221120100001.

It is not an unprimeable number, because it can be changed into a prime (11221120140001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 267169526170 + ... + 267169526211.

It is an arithmetic number, because the mean of its divisors is an integer number (2137356209528).

Almost surely, 2^{11221120100001} is an apocalyptic number.

It is an amenable number.

11221120100001 is a deficient number, since it is larger than the sum of its proper divisors (5877729576223).

11221120100001 is an equidigital number, since it uses as much as digits as its factorization.

11221120100001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534339052391.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 11221120100001 its reverse (10000102112211), we get a palindrome (21221222212212).

The spelling of 11221120100001 in words is "eleven trillion, two hundred twenty-one billion, one hundred twenty million, one hundred thousand, one".