11221202222101 has 4 divisors (see below), whose sum is σ = 11221209900972. Its totient is φ = 11221194543232.

The previous prime is 11221202222081. The next prime is 11221202222107. The reversal of 11221202222101 is 10122220212211.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 5893853531076 + 5327348691025 = 2427726^2 + 2308105^2 .

It is a cyclic number.

It is not a de Polignac number, because 11221202222101 - 2¹³ = 11221202213909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11221202222107) 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, 894556 + ... + 4821061.

It is an arithmetic number, because the mean of its divisors is an integer number (2805302475243).

Almost surely, 2^{11221202222101} is an apocalyptic number.

It is an amenable number.

11221202222101 is a deficient number, since it is larger than the sum of its proper divisors (7678871).

11221202222101 is an equidigital number, since it uses as much as digits as its factorization.

11221202222101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7678870.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 11221202222101 its reverse (10122220212211), we get a palindrome (21343422434312).

The spelling of 11221202222101 in words is "eleven trillion, two hundred twenty-one billion, two hundred two million, two hundred twenty-two thousand, one hundred one".