11101102121 has 16 divisors (see below), whose sum is σ = 11522165760. Its totient is φ = 10689282240.

The previous prime is 11101102093. The next prime is 11101102147. The reversal of 11101102121 is 12120110111.

It is a cyclic number.

It is not a de Polignac number, because 11101102121 - 2¹⁸ = 11100839977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11101102021) 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, 832535 + ... + 845763.

It is an arithmetic number, because the mean of its divisors is an integer number (720135360).

Almost surely, 2^11101102121 is an apocalyptic number.

It is an amenable number.

11101102121 is a deficient number, since it is larger than the sum of its proper divisors (421063639).

11101102121 is a wasteful number, since it uses less digits than its factorization.

11101102121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13576.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 11101102121 its reverse (12120110111), we get a palindrome (23221212232).

The spelling of 11101102121 in words is "eleven billion, one hundred one million, one hundred two thousand, one hundred twenty-one".