112121022020220 has 72 divisors (see below), whose sum is σ = 340104208036320. Its totient is φ = 29898607374720.

The previous prime is 112121022020201. The next prime is 112121022020251. The reversal of 112121022020220 is 22020220121211.

It is a happy number.

112121022020220 is a `hidden beast` number, since 1 + 1 + 212 + 10 + 220 + 2 + 0 + 220 = 666.

It is a super-2 number, since 2×112121022020220² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 112121022020193 and 112121022020202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13024705 + ... + 19846535.

It is an arithmetic number, because the mean of its divisors is an integer number (4723669556060).

Almost surely, 2^{112121022020220} is an apocalyptic number.

112121022020220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112121022020220 is an abundant number, since it is smaller than the sum of its proper divisors (227983186016100).

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

112121022020220 is a wasteful number, since it uses less digits than its factorization.

112121022020220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6913155 (or 6913150 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 112121022020220 its reverse (22020220121211), we get a palindrome (134141242141431).

The spelling of 112121022020220 in words is "one hundred twelve trillion, one hundred twenty-one billion, twenty-two million, twenty thousand, two hundred twenty".