11100220100121 has 8 divisors (see below), whose sum is σ = 15310648414080. Its totient is φ = 7144969259792.

The previous prime is 11100220100117. The next prime is 11100220100159. The reversal of 11100220100121 is 12100102200111.

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 11100220100121 - 2² = 11100220100117 is a prime.

It is a super-2 number, since 2×11100220100121² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11100220100097 and 11100220100106.

It is not an unprimeable number, because it can be changed into a prime (11100220100191) 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 7 ways as a sum of consecutive naturals, for example, 63794368305 + ... + 63794368478.

It is an arithmetic number, because the mean of its divisors is an integer number (1913831051760).

Almost surely, 2^{11100220100121} is an apocalyptic number.

It is an amenable number.

11100220100121 is a deficient number, since it is larger than the sum of its proper divisors (4210428313959).

11100220100121 is a wasteful number, since it uses less digits than its factorization.

11100220100121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127588736815.

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

Adding to 11100220100121 its reverse (12100102200111), we get a palindrome (23200322300232).

The spelling of 11100220100121 in words is "eleven trillion, one hundred billion, two hundred twenty million, one hundred thousand, one hundred twenty-one".