11123212121102 has 8 divisors (see below), whose sum is σ = 16685116468416. Its totient is φ = 5561506631632.

The previous prime is 11123212121083. The next prime is 11123212121143. The reversal of 11123212121102 is 20112121232111.

11123212121102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49574543 + ... + 49798410.

It is an arithmetic number, because the mean of its divisors is an integer number (2085639558552).

Almost surely, 2^{11123212121102} is an apocalyptic number.

11123212121102 is a deficient number, since it is larger than the sum of its proper divisors (5561904347314).

11123212121102 is an equidigital number, since it uses as much as digits as its factorization.

11123212121102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99428922.

The product of its (nonzero) digits is 96, while the sum is 20.

Adding to 11123212121102 its reverse (20112121232111), we get a palindrome (31235333353213).

The spelling of 11123212121102 in words is "eleven trillion, one hundred twenty-three billion, two hundred twelve million, one hundred twenty-one thousand, one hundred two".