1021110122012 has 24 divisors (see below), whose sum is σ = 1790830087200. Its totient is φ = 509444764416.

The previous prime is 1021110122009. The next prime is 1021110122099. The reversal of 1021110122012 is 2102210111201.

It is a congruent number.

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, 11401664 + ... + 11490872.

It is an arithmetic number, because the mean of its divisors is an integer number (74617920300).

Almost surely, 2^{1021110122012} is an apocalyptic number.

It is an amenable number.

1021110122012 is a deficient number, since it is larger than the sum of its proper divisors (769719965188).

1021110122012 is a wasteful number, since it uses less digits than its factorization.

1021110122012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95405 (or 95403 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1021110122012 its reverse (2102210111201), we get a palindrome (3123320233213).

The spelling of 1021110122012 in words is "one trillion, twenty-one billion, one hundred ten million, one hundred twenty-two thousand, twelve".