1021102102012 has 36 divisors (see below), whose sum is σ = 1809483124176. Its totient is φ = 504186302080.

The previous prime is 1021102102001. The next prime is 1021102102057. The reversal of 1021102102012 is 2102012011201.

It is a junction number, because it is equal to n+sod(n) for n = 1021102101983 and 1021102102001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 79823337 + ... + 79836127.

It is an arithmetic number, because the mean of its divisors is an integer number (50263420116).

Almost surely, 2^{1021102102012} is an apocalyptic number.

It is an amenable number.

1021102102012 is a deficient number, since it is larger than the sum of its proper divisors (788381022164).

1021102102012 is a wasteful number, since it uses less digits than its factorization.

1021102102012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15858 (or 15773 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1021102102012 its reverse (2102012011201), we get a palindrome (3123114113213).

The spelling of 1021102102012 in words is "one trillion, twenty-one billion, one hundred two million, one hundred two thousand, twelve".