1121111112010 has 8 divisors (see below), whose sum is σ = 2018000001636. Its totient is φ = 448444444800.

The previous prime is 1121111112001. The next prime is 1121111112013. The reversal of 1121111112010 is 102111111211.

It can be written as a sum of positive squares in 2 ways, for example, as 923711287801 + 197399824209 = 961099^2 + 444297^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1121111112013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56055555591 + ... + 56055555610.

Almost surely, 2^{1121111112010} is an apocalyptic number.

1121111112010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1121111112010 is a deficient number, since it is larger than the sum of its proper divisors (896888889626).

1121111112010 is a wasteful number, since it uses less digits than its factorization.

1121111112010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112111111208.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 1121111112010 its reverse (102111111211), we get a palindrome (1223222223221).

The spelling of 1121111112010 in words is "one trillion, one hundred twenty-one billion, one hundred eleven million, one hundred twelve thousand, ten".