1021110100012 has 12 divisors (see below), whose sum is σ = 1787028702480. Its totient is φ = 510530470736.

The previous prime is 1021110100009. The next prime is 1021110100037. The reversal of 1021110100012 is 2100010111201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6051187 + ... + 6217642.

It is an arithmetic number, because the mean of its divisors is an integer number (148919058540).

Almost surely, 2^{1021110100012} is an apocalyptic number.

It is an amenable number.

1021110100012 is a deficient number, since it is larger than the sum of its proper divisors (765918602468).

1021110100012 is a wasteful number, since it uses less digits than its factorization.

1021110100012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12289640 (or 12289638 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1021110100012 its reverse (2100010111201), we get a palindrome (3121120211213).

The spelling of 1021110100012 in words is "one trillion, twenty-one billion, one hundred ten million, one hundred thousand, twelve".