2122212202111 has 8 divisors (see below), whose sum is σ = 2125722355280. Its totient is φ = 2118702313728.

The previous prime is 2122212202093. The next prime is 2122212202177. The reversal of 2122212202111 is 1112022122212.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2122212202111 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 (2122212208111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22036015 + ... + 22132111.

It is an arithmetic number, because the mean of its divisors is an integer number (265715294410).

Almost surely, 2^{2122212202111} is an apocalyptic number.

2122212202111 is a deficient number, since it is larger than the sum of its proper divisors (3510153169).

2122212202111 is an equidigital number, since it uses as much as digits as its factorization.

2122212202111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132393.

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

Adding to 2122212202111 its reverse (1112022122212), we get a palindrome (3234234324323).

The spelling of 2122212202111 in words is "two trillion, one hundred twenty-two billion, two hundred twelve million, two hundred two thousand, one hundred eleven".