1021101222112 has 96 divisors (see below), whose sum is σ = 2030183930880. Its totient is φ = 505535247360.

The previous prime is 1021101222083. The next prime is 1021101222121. The reversal of 1021101222112 is 2112221011201.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 1588026463 + ... + 1588027105.

It is an arithmetic number, because the mean of its divisors is an integer number (21147749280).

Almost surely, 2^{1021101222112} is an apocalyptic number.

It is an amenable number.

1021101222112 is a deficient number, since it is larger than the sum of its proper divisors (1009082708768).

1021101222112 is a wasteful number, since it uses less digits than its factorization.

1021101222112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1776 (or 1768 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1021101222112 its reverse (2112221011201), we get a palindrome (3133322233313).

The spelling of 1021101222112 in words is "one trillion, twenty-one billion, one hundred one million, two hundred twenty-two thousand, one hundred twelve".