3420111020203 has 2 divisors, whose sum is σ = 3420111020204. Its totient is φ = 3420111020202.

The previous prime is 3420111020159. The next prime is 3420111020219. The reversal of 3420111020203 is 3020201110243.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3420111020203 - 2¹³ = 3420111012011 is a prime.

It is a super-2 number, since 2×3420111020203² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3420111020273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1710055510101 + 1710055510102.

It is an arithmetic number, because the mean of its divisors is an integer number (1710055510102).

Almost surely, 2^{3420111020203} is an apocalyptic number.

3420111020203 is a deficient number, since it is larger than the sum of its proper divisors (1).

3420111020203 is an equidigital number, since it uses as much as digits as its factorization.

3420111020203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 3420111020203 its reverse (3020201110243), we get a palindrome (6440312130446).

The spelling of 3420111020203 in words is "three trillion, four hundred twenty billion, one hundred eleven million, twenty thousand, two hundred three".