112112201001220 has 24 divisors (see below), whose sum is σ = 269069282403264. Its totient is φ = 38438468914656.

The previous prime is 112112201001091. The next prime is 112112201001263. The reversal of 112112201001220 is 22100102211211.

It is a super-2 number, since 2×112112201001220² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 112112201001194 and 112112201001203.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 400400717722 + ... + 400400718001.

It is an arithmetic number, because the mean of its divisors is an integer number (11211220100136).

Almost surely, 2^{112112201001220} is an apocalyptic number.

112112201001220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112112201001220 is an abundant number, since it is smaller than the sum of its proper divisors (156957081402044).

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

112112201001220 is a wasteful number, since it uses less digits than its factorization.

112112201001220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 800801435739 (or 800801435737 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 112112201001220 its reverse (22100102211211), we get a palindrome (134212303212431).

The spelling of 112112201001220 in words is "one hundred twelve trillion, one hundred twelve billion, two hundred one million, one thousand, two hundred twenty".