112220121022100 has 144 divisors (see below), whose sum is σ = 300261982919808. Its totient is φ = 35450888578560.

The previous prime is 112220121022069. The next prime is 112220121022103. The reversal of 112220121022100 is 1220121022211.

112220121022100 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112220121022103) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6294587 + ... + 16249986.

Almost surely, 2^{112220121022100} is an apocalyptic number.

112220121022100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112220121022100 is an abundant number, since it is smaller than the sum of its proper divisors (188041861897708).

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

112220121022100 is a wasteful number, since it uses less digits than its factorization.

112220121022100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22545154 (or 22545147 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 112220121022100 its reverse (1220121022211), we get a palindrome (113440242044311).

The spelling of 112220121022100 in words is "one hundred twelve trillion, two hundred twenty billion, one hundred twenty-one million, twenty-two thousand, one hundred".