2220212122111 has 2 divisors, whose sum is σ = 2220212122112. Its totient is φ = 2220212122110.

The previous prime is 2220212122057. The next prime is 2220212122123. The reversal of 2220212122111 is 1112212120222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2220212122111 - 2⁷ = 2220212121983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2220212122811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110106061055 + 1110106061056.

It is an arithmetic number, because the mean of its divisors is an integer number (1110106061056).

Almost surely, 2^{2220212122111} is an apocalyptic number.

2220212122111 is a deficient number, since it is larger than the sum of its proper divisors (1).

2220212122111 is an equidigital number, since it uses as much as digits as its factorization.

2220212122111 is an odious number, because the sum of its binary digits is odd.

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

Adding to 2220212122111 its reverse (1112212120222), we get a palindrome (3332424242333).

The spelling of 2220212122111 in words is "two trillion, two hundred twenty billion, two hundred twelve million, one hundred twenty-two thousand, one hundred eleven".