11100222100121 has 64 divisors (see below), whose sum is σ = 14012997304320. Its totient is φ = 8541650880000.

The previous prime is 11100222100073. The next prime is 11100222100127. The reversal of 11100222100121 is 12100122200111.

It is not a de Polignac number, because 11100222100121 - 2³⁰ = 11099148358297 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11100222100096 and 11100222100105.

It is not an unprimeable number, because it can be changed into a prime (11100222100127) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2109904631 + ... + 2109909891.

It is an arithmetic number, because the mean of its divisors is an integer number (218953082880).

Almost surely, 2^{11100222100121} is an apocalyptic number.

11100222100121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11100222100121 is a deficient number, since it is larger than the sum of its proper divisors (2912775204199).

11100222100121 is a wasteful number, since it uses less digits than its factorization.

11100222100121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6366.

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

Adding to 11100222100121 its reverse (12100122200111), we get a palindrome (23200344300232).

The spelling of 11100222100121 in words is "eleven trillion, one hundred billion, two hundred twenty-two million, one hundred thousand, one hundred twenty-one".