11221201101 has 64 divisors (see below), whose sum is σ = 18057427200. Its totient is φ = 6117888000.

The previous prime is 11221201031. The next prime is 11221201111. The reversal of 11221201101 is 10110212211.

It is not a de Polignac number, because 11221201101 - 2¹³ = 11221192909 is a prime.

It is a super-2 number, since 2×11221201101² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11221201111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1639755 + ... + 1646583.

It is an arithmetic number, because the mean of its divisors is an integer number (282147300).

Almost surely, 2^11221201101 is an apocalyptic number.

11221201101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11221201101 is a deficient number, since it is larger than the sum of its proper divisors (6836226099).

11221201101 is a wasteful number, since it uses less digits than its factorization.

11221201101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6990.

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

Adding to 11221201101 its reverse (10110212211), we get a palindrome (21331413312).

The spelling of 11221201101 in words is "eleven billion, two hundred twenty-one million, two hundred one thousand, one hundred one".