112211111001220 has 96 divisors (see below), whose sum is σ = 293791934774016. Its totient is φ = 34974553152000.

The previous prime is 112211111001169. The next prime is 112211111001221. The reversal of 112211111001220 is 22100111112211.

It is a super-2 number, since 2×112211111001220² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 112211111001194 and 112211111001203.

It is not an unprimeable number, because it can be changed into a prime (112211111001221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 193277370 + ... + 193857070.

It is an arithmetic number, because the mean of its divisors is an integer number (3060332653896).

Almost surely, 2^{112211111001220} is an apocalyptic number.

112211111001220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112211111001220 is an abundant number, since it is smaller than the sum of its proper divisors (181580823772796).

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

112211111001220 is a wasteful number, since it uses less digits than its factorization.

112211111001220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705421 (or 705419 counting only the distinct ones).

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

Adding to 112211111001220 its reverse (22100111112211), we get a palindrome (134311222113431).

The spelling of 112211111001220 in words is "one hundred twelve trillion, two hundred eleven billion, one hundred eleven million, one thousand, two hundred twenty".