112100121100220 has 72 divisors (see below), whose sum is σ = 258992608632912. Its totient is φ = 40726520200960.

The previous prime is 112100121100189. The next prime is 112100121100241. The reversal of 112100121100220 is 22001121001211.

It is a junction number, because it is equal to n+sod(n) for n = 112100121100195 and 112100121100204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18458462 + ... + 23767941.

It is an arithmetic number, because the mean of its divisors is an integer number (3597119564346).

Almost surely, 2^{112100121100220} is an apocalyptic number.

112100121100220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112100121100220 is an abundant number, since it is smaller than the sum of its proper divisors (146892487532692).

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

112100121100220 is a wasteful number, since it uses less digits than its factorization.

112100121100220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42227531 (or 42227518 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 112100121100220 its reverse (22001121001211), we get a palindrome (134101242101431).

Subtracting from 112100121100220 its reverse (22001121001211), we obtain a palindrome (90099000099009).

The spelling of 112100121100220 in words is "one hundred twelve trillion, one hundred billion, one hundred twenty-one million, one hundred thousand, two hundred twenty".