1021201210112 has 36 divisors (see below), whose sum is σ = 2039437158360. Its totient is φ = 510344153088.

The previous prime is 1021201210103. The next prime is 1021201210121. The reversal of 1021201210112 is 2110121021201.

It is an interprime number because it is at equal distance from previous prime (1021201210103) and next prime (1021201210121).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 490562 + ... + 1510977.

Almost surely, 2^{1021201210112} is an apocalyptic number.

It is an amenable number.

1021201210112 is a deficient number, since it is larger than the sum of its proper divisors (1018235948248).

1021201210112 is an equidigital number, since it uses as much as digits as its factorization.

1021201210112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2003548 (or 2003534 counting only the distinct ones).

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

Adding to 1021201210112 its reverse (2110121021201), we get a palindrome (3131322231313).

The spelling of 1021201210112 in words is "one trillion, twenty-one billion, two hundred one million, two hundred ten thousand, one hundred twelve".