2122021222111 has 8 divisors (see below), whose sum is σ = 2428626698784. Its totient is φ = 1816280642400.

The previous prime is 2122021222109. The next prime is 2122021222127. The reversal of 2122021222111 is 1112221202212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2122021222111 - 2¹ = 2122021222109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122021222171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216218980 + ... + 216228793.

It is an arithmetic number, because the mean of its divisors is an integer number (303578337348).

Almost surely, 2^{2122021222111} is an apocalyptic number.

2122021222111 is a deficient number, since it is larger than the sum of its proper divisors (306605476673).

2122021222111 is an equidigital number, since it uses as much as digits as its factorization.

2122021222111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432448481.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 2122021222111 its reverse (1112221202212), we get a palindrome (3234242424323).

The spelling of 2122021222111 in words is "two trillion, one hundred twenty-two billion, twenty-one million, two hundred twenty-two thousand, one hundred eleven".