11221011221101 has 8 divisors (see below), whose sum is σ = 12362302192608. Its totient is φ = 10099920090000.

The previous prime is 11221011221099. The next prime is 11221011221177. The reversal of 11221011221101 is 10112211012211.

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

It is a cyclic number.

It is not a de Polignac number, because 11221011221101 - 2¹ = 11221011221099 is a prime.

It is a super-2 number, since 2×11221011221101² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11221011221501) 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, 5049958935 + ... + 5049961156.

It is an arithmetic number, because the mean of its divisors is an integer number (1545287774076).

Almost surely, 2^{11221011221101} is an apocalyptic number.

11221011221101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11221011221101 is a deficient number, since it is larger than the sum of its proper divisors (1141290971507).

11221011221101 is a wasteful number, since it uses less digits than its factorization.

11221011221101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10099920203.

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 11221011221101 its reverse (10112211012211), we get a palindrome (21333222233312).

It can be divided in two parts, 112210 and 11221101, that added together give a palindrome (11333311).

The spelling of 11221011221101 in words is "eleven trillion, two hundred twenty-one billion, eleven million, two hundred twenty-one thousand, one hundred one".