111020001018 has 16 divisors (see below), whose sum is σ = 231693915456. Its totient is φ = 35397681440.

The previous prime is 111020000999. The next prime is 111020001019. The reversal of 111020001018 is 810100020111.

It is a junction number, because it is equal to n+sod(n) for n = 111020000988 and 111020001006.

It is not an unprimeable number, because it can be changed into a prime (111020001019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 402246243 + ... + 402246518.

It is an arithmetic number, because the mean of its divisors is an integer number (14480869716).

Almost surely, 2^111020001018 is an apocalyptic number.

111020001018 is an abundant number, since it is smaller than the sum of its proper divisors (120673914438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111020001018 is a wasteful number, since it uses less digits than its factorization.

111020001018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 804492789.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 111020001018 its reverse (810100020111), we get a palindrome (921120021129).

The spelling of 111020001018 in words is "one hundred eleven billion, twenty million, one thousand, eighteen".