1021210011112 has 16 divisors (see below), whose sum is σ = 1914961378500. Its totient is φ = 510553643520.

The previous prime is 1021210011089. The next prime is 1021210011121. The reversal of 1021210011112 is 2111100121201.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 928266733156 + 92943277956 = 963466^2 + 304866^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1021210011092 and 1021210011101.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6335689 + ... + 6494872.

Almost surely, 2^{1021210011112} is an apocalyptic number.

It is an amenable number.

1021210011112 is a deficient number, since it is larger than the sum of its proper divisors (893751367388).

1021210011112 is a wasteful number, since it uses less digits than its factorization.

1021210011112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12840516 (or 12840512 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1021210011112 its reverse (2111100121201), we get a palindrome (3132310132313).

The spelling of 1021210011112 in words is "one trillion, twenty-one billion, two hundred ten million, eleven thousand, one hundred twelve".