1101101222111 has 16 divisors (see below), whose sum is σ = 1243308873600. Its totient is φ = 965949650400.

The previous prime is 1101101222077. The next prime is 1101101222113. The reversal of 1101101222111 is 1112221011011.

It is a cyclic number.

It is not a de Polignac number, because 1101101222111 - 2¹⁴ = 1101101205727 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 (1101101222113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 375281 + ... + 1530698.

It is an arithmetic number, because the mean of its divisors is an integer number (77706804600).

Almost surely, 2^{1101101222111} is an apocalyptic number.

1101101222111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1101101222111 is a deficient number, since it is larger than the sum of its proper divisors (142207651489).

1101101222111 is a wasteful number, since it uses less digits than its factorization.

1101101222111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1907830.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 1101101222111 its reverse (1112221011011), we get a palindrome (2213322233122).

The spelling of 1101101222111 in words is "one trillion, one hundred one billion, one hundred one million, two hundred twenty-two thousand, one hundred eleven".