1021001022112 has 12 divisors (see below), whose sum is σ = 2010095762346. Its totient is φ = 510500511040.

The previous prime is 1021001022059. The next prime is 1021001022127. The reversal of 1021001022112 is 2112201001201.

It can be written as a sum of positive squares in only one way, i.e., 719165057296 + 301835964816 = 848036^2 + 549396^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1021001022092 and 1021001022101.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15953140939 + ... + 15953141002.

Almost surely, 2^{1021001022112} is an apocalyptic number.

It is an amenable number.

1021001022112 is a deficient number, since it is larger than the sum of its proper divisors (989094740234).

1021001022112 is an equidigital number, since it uses as much as digits as its factorization.

1021001022112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31906281951 (or 31906281943 counting only the distinct ones).

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

Adding to 1021001022112 its reverse (2112201001201), we get a palindrome (3133202023313).

The spelling of 1021001022112 in words is "one trillion, twenty-one billion, one million, twenty-two thousand, one hundred twelve".