112102133421 has 4 divisors (see below), whose sum is σ = 149469511232. Its totient is φ = 74734755612.

The previous prime is 112102133417. The next prime is 112102133449. The reversal of 112102133421 is 124331201211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 112102133421 - 2² = 112102133417 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112102133471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18683688901 + ... + 18683688906.

It is an arithmetic number, because the mean of its divisors is an integer number (37367377808).

Almost surely, 2^112102133421 is an apocalyptic number.

It is an amenable number.

112102133421 is a deficient number, since it is larger than the sum of its proper divisors (37367377811).

112102133421 is an equidigital number, since it uses as much as digits as its factorization.

112102133421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37367377810.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 112102133421 its reverse (124331201211), we get a palindrome (236433334632).

The spelling of 112102133421 in words is "one hundred twelve billion, one hundred two million, one hundred thirty-three thousand, four hundred twenty-one".