111202020103 has 2 divisors, whose sum is σ = 111202020104. Its totient is φ = 111202020102.

The previous prime is 111202020077. The next prime is 111202020121. The reversal of 111202020103 is 301020202111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111202020103 - 2²⁵ = 111168465671 is a prime.

It is a super-2 number, since 2×111202020103² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111202020203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55601010051 + 55601010052.

It is an arithmetic number, because the mean of its divisors is an integer number (55601010052).

Almost surely, 2^111202020103 is an apocalyptic number.

111202020103 is a deficient number, since it is larger than the sum of its proper divisors (1).

111202020103 is an equidigital number, since it uses as much as digits as its factorization.

111202020103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 111202020103 its reverse (301020202111), we get a palindrome (412222222214).

The spelling of 111202020103 in words is "one hundred eleven billion, two hundred two million, twenty thousand, one hundred three".