1111020200111 has 2 divisors, whose sum is σ = 1111020200112. Its totient is φ = 1111020200110.

The previous prime is 1111020200071. The next prime is 1111020200117. The reversal of 1111020200111 is 1110020201111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1111020200111 - 2¹⁰ = 1111020199087 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1111020200092 and 1111020200101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1111020200117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555510100055 + 555510100056.

It is an arithmetic number, because the mean of its divisors is an integer number (555510100056).

Almost surely, 2^{1111020200111} is an apocalyptic number.

1111020200111 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111020200111 is an equidigital number, since it uses as much as digits as its factorization.

1111020200111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 1111020200111 its reverse (1110020201111), we get a palindrome (2221040401222).

It can be divided in two parts, 1111020 and 200111, that added together give a palindrome (1311131).

The spelling of 1111020200111 in words is "one trillion, one hundred eleven billion, twenty million, two hundred thousand, one hundred eleven".