1021110110012 has 24 divisors (see below), whose sum is σ = 1788511309200. Its totient is φ = 510107068800.

The previous prime is 1021110109993. The next prime is 1021110110029. The reversal of 1021110110012 is 2100110111201.

It is a junction number, because it is equal to n+sod(n) for n = 1021110109975 and 1021110110002.

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, 24090614 + ... + 24132962.

It is an arithmetic number, because the mean of its divisors is an integer number (74521304550).

Almost surely, 2^{1021110110012} is an apocalyptic number.

It is an amenable number.

1021110110012 is a deficient number, since it is larger than the sum of its proper divisors (767401199188).

1021110110012 is a wasteful number, since it uses less digits than its factorization.

1021110110012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47501 (or 47499 counting only the distinct ones).

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

Adding to 1021110110012 its reverse (2100110111201), we get a palindrome (3121220221213).

The spelling of 1021110110012 in words is "one trillion, twenty-one billion, one hundred ten million, one hundred ten thousand, twelve".