2222120999969 has 4 divisors (see below), whose sum is σ = 2393053384596. Its totient is φ = 2051188615344.

The previous prime is 2222120999953. The next prime is 2222120999993. The reversal of 2222120999969 is 9699990212222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1197394005025 + 1024726994944 = 1094255^2 + 1012288^2 .

It is a cyclic number.

It is not a de Polignac number, because 2222120999969 - 2⁴ = 2222120999953 is a prime.

It is a super-2 number, since 2×2222120999969² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2222120999999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85466192294 + ... + 85466192319.

It is an arithmetic number, because the mean of its divisors is an integer number (598263346149).

Almost surely, 2^{2222120999969} is an apocalyptic number.

It is an amenable number.

2222120999969 is a deficient number, since it is larger than the sum of its proper divisors (170932384627).

2222120999969 is a wasteful number, since it uses less digits than its factorization.

2222120999969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170932384626.

The product of its (nonzero) digits is 11337408, while the sum is 62.

The spelling of 2222120999969 in words is "two trillion, two hundred twenty-two billion, one hundred twenty million, nine hundred ninety-nine thousand, nine hundred sixty-nine".