112121432355 has 32 divisors (see below), whose sum is σ = 187224827904. Its totient is φ = 57188774016.

The previous prime is 112121432351. The next prime is 112121432383. The reversal of 112121432355 is 553234121211.

It is a happy number.

It is not a de Polignac number, because 112121432355 - 2² = 112121432351 is a prime.

It is not an unprimeable number, because it can be changed into a prime (112121432351) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2390742 + ... + 2437188.

It is an arithmetic number, because the mean of its divisors is an integer number (5850775872).

Almost surely, 2^112121432355 is an apocalyptic number.

112121432355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

112121432355 is a deficient number, since it is larger than the sum of its proper divisors (75103395549).

112121432355 is a wasteful number, since it uses less digits than its factorization.

112121432355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53475.

The product of its digits is 7200, while the sum is 30.

Adding to 112121432355 its reverse (553234121211), we get a palindrome (665355553566).

The spelling of 112121432355 in words is "one hundred twelve billion, one hundred twenty-one million, four hundred thirty-two thousand, three hundred fifty-five".