1101100122221 has 8 divisors (see below), whose sum is σ = 1201751421600. Its totient is φ = 1000540704240.

The previous prime is 1101100122217. The next prime is 1101100122223. The reversal of 1101100122221 is 1222210011011.

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

It is not a de Polignac number, because 1101100122221 - 2² = 1101100122217 is a prime.

It is a super-2 number, since 2×1101100122221² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1101100122196 and 1101100122205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101100122223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22945286 + ... + 22993223.

It is an arithmetic number, because the mean of its divisors is an integer number (150218927700).

Almost surely, 2^{1101100122221} is an apocalyptic number.

1101100122221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1101100122221 is a deficient number, since it is larger than the sum of its proper divisors (100651299379).

1101100122221 is a wasteful number, since it uses less digits than its factorization.

1101100122221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45940699.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1101100122221 its reverse (1222210011011), we get a palindrome (2323310133232).

The spelling of 1101100122221 in words is "one trillion, one hundred one billion, one hundred million, one hundred twenty-two thousand, two hundred twenty-one".