2221219999999 has 32 divisors (see below), whose sum is σ = 2988062300160. Its totient is φ = 1594613779200.

The previous prime is 2221219999993. The next prime is 2221220000023. The reversal of 2221219999999 is 9999999121222.

2221219999999 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2221219999999 - 2²³ = 2221211611391 is a prime.

2221219999999 is a modest number, since divided by 9999999 gives 222121 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221219999993) 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, 1608039 + ... + 2651080.

It is an arithmetic number, because the mean of its divisors is an integer number (93376946880).

Almost surely, 2^{2221219999999} is an apocalyptic number.

2221219999999 is a deficient number, since it is larger than the sum of its proper divisors (766842300161).

2221219999999 is a wasteful number, since it uses less digits than its factorization.

2221219999999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4259671.

The product of its digits is 76527504, while the sum is 73.

It can be divided in two parts, 222 and 1219999999, that added together give a palindrome (1220000221).

The spelling of 2221219999999 in words is "two trillion, two hundred twenty-one billion, two hundred nineteen million, nine hundred ninety-nine thousand, nine hundred ninety-nine".