1021111002112 has 44 divisors (see below), whose sum is σ = 2041487445376. Its totient is φ = 510489815040.

The previous prime is 1021111002017. The next prime is 1021111002127. The reversal of 1021111002112 is 2112001111201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1021111002092 and 1021111002101.

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, 8450473 + ... + 8570455.

Almost surely, 2^{1021111002112} is an apocalyptic number.

It is an amenable number.

1021111002112 is a deficient number, since it is larger than the sum of its proper divisors (1020376443264).

1021111002112 is an equidigital number, since it uses as much as digits as its factorization.

1021111002112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128314 (or 128296 counting only the distinct ones).

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

Adding to 1021111002112 its reverse (2112001111201), we get a palindrome (3133112113313).

The spelling of 1021111002112 in words is "one trillion, twenty-one billion, one hundred eleven million, two thousand, one hundred twelve".