11121102194 has 8 divisors (see below), whose sum is σ = 17662927068. Its totient is φ = 5233459840.

The previous prime is 11121102193. The next prime is 11121102217. The reversal of 11121102194 is 49120112111.

It can be written as a sum of positive squares in 2 ways, for example, as 11116960969 + 4141225 = 105437^2 + 2035^2 .

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

It is a super-2 number, since 2×11121102194² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11121102191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163545587 + ... + 163545654.

Almost surely, 2^11121102194 is an apocalyptic number.

11121102194 is a deficient number, since it is larger than the sum of its proper divisors (6541824874).

11121102194 is a wasteful number, since it uses less digits than its factorization.

11121102194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327091260.

The product of its (nonzero) digits is 144, while the sum is 23.

The spelling of 11121102194 in words is "eleven billion, one hundred twenty-one million, one hundred two thousand, one hundred ninety-four".