2221001012112 has 80 divisors (see below), whose sum is σ = 5752353492480. Its totient is φ = 738429696000.

The previous prime is 2221001012081. The next prime is 2221001012119. The reversal of 2221001012112 is 2112101001222.

2221001012112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2221001012091 and 2221001012100.

It is not an unprimeable number, because it can be changed into a prime (2221001012119) 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, 49663362 + ... + 49708062.

It is an arithmetic number, because the mean of its divisors is an integer number (71904418656).

Almost surely, 2^{2221001012112} is an apocalyptic number.

It is an amenable number.

2221001012112 is an abundant number, since it is smaller than the sum of its proper divisors (3531352480368).

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

2221001012112 is a wasteful number, since it uses less digits than its factorization.

2221001012112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47352 (or 47346 counting only the distinct ones).

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

Adding to 2221001012112 its reverse (2112101001222), we get a palindrome (4333102013334).

The spelling of 2221001012112 in words is "two trillion, two hundred twenty-one billion, one million, twelve thousand, one hundred twelve".