1121112111020 has 48 divisors (see below), whose sum is σ = 2703543091200. Its totient is φ = 386220438720.

The previous prime is 1121112110983. The next prime is 1121112111083. The reversal of 1121112111020 is 201112111211.

It is a junction number, because it is equal to n+sod(n) for n = 1121112110986 and 1121112111004.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134100140 + ... + 134108499.

It is an arithmetic number, because the mean of its divisors is an integer number (56323814400).

Almost surely, 2^{1121112111020} is an apocalyptic number.

1121112111020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1121112111020 is an abundant number, since it is smaller than the sum of its proper divisors (1582430980180).

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

1121112111020 is a wasteful number, since it uses less digits than its factorization.

1121112111020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268208678 (or 268208676 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 1121112111020 its reverse (201112111211), we get a palindrome (1322224222231).

The spelling of 1121112111020 in words is "one trillion, one hundred twenty-one billion, one hundred twelve million, one hundred eleven thousand, twenty".