112121202330 has 24 divisors (see below), whose sum is σ = 291515126292. Its totient is φ = 29898987264.

The previous prime is 112121202329. The next prime is 112121202343. The reversal of 112121202330 is 33202121211.

112121202330 is a `hidden beast` number, since 1 + 1 + 212 + 120 + 2 + 330 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 110950946649 + 1170255681 = 333093^2 + 34209^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 622895479 + ... + 622895658.

Almost surely, 2^112121202330 is an apocalyptic number.

112121202330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

112121202330 is an abundant number, since it is smaller than the sum of its proper divisors (179393923962).

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

112121202330 is a wasteful number, since it uses less digits than its factorization.

112121202330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1245791150 (or 1245791147 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 112121202330 its reverse (33202121211), we get a palindrome (145323323541).

The spelling of 112121202330 in words is "one hundred twelve billion, one hundred twenty-one million, two hundred two thousand, three hundred thirty".