2212000111121 has 4 divisors (see below), whose sum is σ = 2217571900212. Its totient is φ = 2206428322032.

The previous prime is 2212000111117. The next prime is 2212000111133. The reversal of 2212000111121 is 1211110002122.

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 1610500593025 + 601499518096 = 1269055^2 + 775564^2 .

It is a cyclic number.

It is not a de Polignac number, because 2212000111121 - 2² = 2212000111117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2212000111096 and 2212000111105.

It is not an unprimeable number, because it can be changed into a prime (2212000111921) 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, 2785893950 + ... + 2785894743.

It is an arithmetic number, because the mean of its divisors is an integer number (554392975053).

Almost surely, 2^{2212000111121} is an apocalyptic number.

It is an amenable number.

2212000111121 is a deficient number, since it is larger than the sum of its proper divisors (5571789091).

2212000111121 is an equidigital number, since it uses as much as digits as its factorization.

2212000111121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5571789090.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 2212000111121 its reverse (1211110002122), we get a palindrome (3423110113243).

The spelling of 2212000111121 in words is "two trillion, two hundred twelve billion, one hundred eleven thousand, one hundred twenty-one".