11100121122 has 32 divisors (see below), whose sum is σ = 22265099712. Its totient is φ = 3689247744.

The previous prime is 11100121121. The next prime is 11100121129. The reversal of 11100121122 is 22112100111.

It is a junction number, because it is equal to n+sod(n) for n = 11100121098 and 11100121107.

It is not an unprimeable number, because it can be changed into a prime (11100121121) 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, 5568558 + ... + 5570550.

It is an arithmetic number, because the mean of its divisors is an integer number (695784366).

Almost surely, 2^11100121122 is an apocalyptic number.

11100121122 is an abundant number, since it is smaller than the sum of its proper divisors (11164978590).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11100121122 is a wasteful number, since it uses less digits than its factorization.

11100121122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4242.

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

Adding to 11100121122 its reverse (22112100111), we get a palindrome (33212221233).

The spelling of 11100121122 in words is "eleven billion, one hundred million, one hundred twenty-one thousand, one hundred twenty-two".