2221101220112 has 20 divisors (see below), whose sum is σ = 4355231611920. Its totient is φ = 1097170481568.

The previous prime is 2221101220111. The next prime is 2221101220127. The reversal of 2221101220112 is 2110221011222.

It is not an unprimeable number, because it can be changed into a prime (2221101220111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 836256662 + ... + 836259317.

It is an arithmetic number, because the mean of its divisors is an integer number (217761580596).

Almost surely, 2^{2221101220112} is an apocalyptic number.

It is an amenable number.

2221101220112 is a deficient number, since it is larger than the sum of its proper divisors (2134130391808).

2221101220112 is a wasteful number, since it uses less digits than its factorization.

2221101220112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1672516070 (or 1672516064 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 2221101220112 its reverse (2110221011222), we get a palindrome (4331322231334).

The spelling of 2221101220112 in words is "two trillion, two hundred twenty-one billion, one hundred one million, two hundred twenty thousand, one hundred twelve".