11100100022121 has 16 divisors (see below), whose sum is σ = 16539395156928. Its totient is φ = 6563252044800.

The previous prime is 11100100022059. The next prime is 11100100022129. The reversal of 11100100022121 is 12122000100111.

It is not a de Polignac number, because 11100100022121 - 2⁷ = 11100100021993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11100100022097 and 11100100022106.

It is not an unprimeable number, because it can be changed into a prime (11100100022129) 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, 4102031176 + ... + 4102033881.

It is an arithmetic number, because the mean of its divisors is an integer number (1033712197308).

Almost surely, 2^{11100100022121} is an apocalyptic number.

11100100022121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11100100022121 is a deficient number, since it is larger than the sum of its proper divisors (5439295134807).

11100100022121 is a wasteful number, since it uses less digits than its factorization.

11100100022121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8204065112.

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

Adding to 11100100022121 its reverse (12122000100111), we get a palindrome (23222100122232).

The spelling of 11100100022121 in words is "eleven trillion, one hundred billion, one hundred million, twenty-two thousand, one hundred twenty-one".