1121110110212 has 24 divisors (see below), whose sum is σ = 1979347156920. Its totient is φ = 555595120640.

The previous prime is 1121110110209. The next prime is 1121110110221. The reversal of 1121110110212 is 2120110111211.

It can be written as a sum of positive squares in 4 ways, for example, as 118159937536 + 1002950172676 = 343744^2 + 1001474^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1244537 + ... + 1947072.

It is an arithmetic number, because the mean of its divisors is an integer number (82472798205).

Almost surely, 2^{1121110110212} is an apocalyptic number.

It is an amenable number.

1121110110212 is a deficient number, since it is larger than the sum of its proper divisors (858237046708).

1121110110212 is a wasteful number, since it uses less digits than its factorization.

1121110110212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3192391 (or 3192389 counting only the distinct ones).

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

Adding to 1121110110212 its reverse (2120110111211), we get a palindrome (3241220221423).

Subtracting 1121110110212 from its reverse (2120110111211), we obtain a palindrome (999000000999).

The spelling of 1121110110212 in words is "one trillion, one hundred twenty-one billion, one hundred ten million, one hundred ten thousand, two hundred twelve".