11011121121102 has 16 divisors (see below), whose sum is σ = 22064349786240. Its totient is φ = 3663355783032.

The previous prime is 11011121121059. The next prime is 11011121121167. The reversal of 11011121121102 is 20112112111011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1754477602 + ... + 1754483877.

It is an arithmetic number, because the mean of its divisors is an integer number (1379021861640).

Almost surely, 2^{11011121121102} is an apocalyptic number.

11011121121102 is an abundant number, since it is smaller than the sum of its proper divisors (11053228665138).

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

11011121121102 is a wasteful number, since it uses less digits than its factorization.

11011121121102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3508962007.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 11011121121102 its reverse (20112112111011), we get a palindrome (31123233232113).

The spelling of 11011121121102 in words is "eleven trillion, eleven billion, one hundred twenty-one million, one hundred twenty-one thousand, one hundred two".