1101021110012 has 48 divisors (see below), whose sum is σ = 2052153895680. Its totient is φ = 515792356992.

The previous prime is 1101021110011. The next prime is 1101021110041. The reversal of 1101021110012 is 2100111201011.

It is a junction number, because it is equal to n+sod(n) for n = 1101021109975 and 1101021110002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101021110011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 247763 + ... + 1504469.

It is an arithmetic number, because the mean of its divisors is an integer number (42753206160).

Almost surely, 2^{1101021110012} is an apocalyptic number.

It is an amenable number.

1101021110012 is a deficient number, since it is larger than the sum of its proper divisors (951132785668).

1101021110012 is a wasteful number, since it uses less digits than its factorization.

1101021110012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1256930 (or 1256928 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 1101021110012 its reverse (2100111201011), we get a palindrome (3201132311023).

Subtracting 1101021110012 from its reverse (2100111201011), we obtain a palindrome (999090090999).

The spelling of 1101021110012 in words is "one trillion, one hundred one billion, twenty-one million, one hundred ten thousand, twelve".