112121021194 has 24 divisors (see below), whose sum is σ = 210688954308. Its totient is φ = 44355568320.

The previous prime is 112121021167. The next prime is 112121021197. The reversal of 112121021194 is 491120121211.

It can be written as a sum of positive squares in 2 ways, for example, as 110765824225 + 1355196969 = 332815^2 + 36813^2 .

It is a super-3 number, since 3×112121021194³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (112121021197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44002267 + ... + 44004814.

Almost surely, 2^112121021194 is an apocalyptic number.

112121021194 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

112121021194 is a deficient number, since it is larger than the sum of its proper divisors (98567933114).

112121021194 is a wasteful number, since it uses less digits than its factorization.

112121021194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88007110 (or 88007103 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 25.

The spelling of 112121021194 in words is "one hundred twelve billion, one hundred twenty-one million, twenty-one thousand, one hundred ninety-four".