220021100000112 has 20 divisors (see below), whose sum is σ = 568387841667080. Its totient is φ = 73340366666688.

The previous prime is 220021100000111. The next prime is 220021100000113. The reversal of 220021100000112 is 211000001120022.

It is an interprime number because it is at equal distance from previous prime (220021100000111) and next prime (220021100000113).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220021100000111) 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, 2291886458287 + ... + 2291886458382.

It is an arithmetic number, because the mean of its divisors is an integer number (28419392083354).

Almost surely, 2^{220021100000112} is an apocalyptic number.

It is an amenable number.

220021100000112 is an abundant number, since it is smaller than the sum of its proper divisors (348366741666968).

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

220021100000112 is a wasteful number, since it uses less digits than its factorization.

220021100000112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4583772916680 (or 4583772916674 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 220021100000112 its reverse (211000001120022), we get a palindrome (431021101120134).

The spelling of 220021100000112 in words is "two hundred twenty trillion, twenty-one billion, one hundred million, one hundred twelve", and thus it is an aban number.