220001221001112 has 64 divisors (see below), whose sum is σ = 564894323040000. Its totient is φ = 71348422320000.

The previous prime is 220001221001059. The next prime is 220001221001117. The reversal of 220001221001112 is 211100122100022.

It is a junction number, because it is equal to n+sod(n) for n = 220001221001091 and 220001221001100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220001221001117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13329237 + ... + 24852987.

It is an arithmetic number, because the mean of its divisors is an integer number (8826473797500).

Almost surely, 2^{220001221001112} is an apocalyptic number.

It is an amenable number.

220001221001112 is an abundant number, since it is smaller than the sum of its proper divisors (344893102038888).

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

220001221001112 is a wasteful number, since it uses less digits than its factorization.

220001221001112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11545296 (or 11545292 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 220001221001112 its reverse (211100122100022), we get a palindrome (431101343101134).

The spelling of 220001221001112 in words is "two hundred twenty trillion, one billion, two hundred twenty-one million, one thousand, one hundred twelve".