2111121022223 has 2 divisors, whose sum is σ = 2111121022224. Its totient is φ = 2111121022222.

The previous prime is 2111121022187. The next prime is 2111121022253. The reversal of 2111121022223 is 3222201211112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2111121022223 - 2⁶ = 2111121022159 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2111121022195 and 2111121022204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2111121022253) 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 as a sum of consecutive naturals, namely, 1055560511111 + 1055560511112.

It is an arithmetic number, because the mean of its divisors is an integer number (1055560511112).

Almost surely, 2^{2111121022223} is an apocalyptic number.

2111121022223 is a deficient number, since it is larger than the sum of its proper divisors (1).

2111121022223 is an equidigital number, since it uses as much as digits as its factorization.

2111121022223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 2111121022223 its reverse (3222201211112), we get a palindrome (5333322233335).

The spelling of 2111121022223 in words is "two trillion, one hundred eleven billion, one hundred twenty-one million, twenty-two thousand, two hundred twenty-three".