220220011202111 has 2 divisors, whose sum is σ = 220220011202112. Its totient is φ = 220220011202110.

The previous prime is 220220011202071. The next prime is 220220011202137. The reversal of 220220011202111 is 111202110022022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 220220011202111 - 2¹⁸ = 220220010939967 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 220220011202111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220220011102111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110110005601055 + 110110005601056.

It is an arithmetic number, because the mean of its divisors is an integer number (110110005601056).

Almost surely, 2^{220220011202111} is an apocalyptic number.

220220011202111 is a deficient number, since it is larger than the sum of its proper divisors (1).

220220011202111 is an equidigital number, since it uses as much as digits as its factorization.

220220011202111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 220220011202111 its reverse (111202110022022), we get a palindrome (331422121224133).

The spelling of 220220011202111 in words is "two hundred twenty trillion, two hundred twenty billion, eleven million, two hundred two thousand, one hundred eleven".