1121121110212 has 48 divisors (see below), whose sum is σ = 2078581720320. Its totient is φ = 528324272000.

The previous prime is 1121121110203. The next prime is 1121121110269. The reversal of 1121121110212 is 2120111211211.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157953 + ... + 1505719.

It is an arithmetic number, because the mean of its divisors is an integer number (43303785840).

Almost surely, 2^{1121121110212} is an apocalyptic number.

It is an amenable number.

1121121110212 is a deficient number, since it is larger than the sum of its proper divisors (957460610108).

1121121110212 is a wasteful number, since it uses less digits than its factorization.

1121121110212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1347972 (or 1347970 counting only the distinct ones).

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

Adding to 1121121110212 its reverse (2120111211211), we get a palindrome (3241232321423).

The spelling of 1121121110212 in words is "one trillion, one hundred twenty-one billion, one hundred twenty-one million, one hundred ten thousand, two hundred twelve".