112012221020220 has 144 divisors (see below), whose sum is σ = 359770352366880. Its totient is φ = 28111819788288.

The previous prime is 112012221020213. The next prime is 112012221020239. The reversal of 112012221020220 is 22020122210211.

It is a happy number.

112012221020220 is a `hidden beast` number, since 1 + 1 + 201 + 2 + 221 + 0 + 20 + 220 = 666.

It is a super-4 number, since 4×112012221020220⁴ (a number of 57 digits) contains 4444 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 = 112012221020193 and 112012221020202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 82815136 + ... + 84156824.

It is an arithmetic number, because the mean of its divisors is an integer number (2498405224770).

Almost surely, 2^{112012221020220} is an apocalyptic number.

112012221020220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112012221020220 is an abundant number, since it is smaller than the sum of its proper divisors (247758131346660).

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

112012221020220 is a wasteful number, since it uses less digits than its factorization.

112012221020220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1369004 (or 1368999 counting only the distinct ones).

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

Adding to 112012221020220 its reverse (22020122210211), we get a palindrome (134032343230431).

The spelling of 112012221020220 in words is "one hundred twelve trillion, twelve billion, two hundred twenty-one million, twenty thousand, two hundred twenty".