1011021112206 has 80 divisors (see below), whose sum is σ = 2589412700160. Its totient is φ = 288824933520.

The previous prime is 1011021112169. The next prime is 1011021112207. The reversal of 1011021112206 is 6022111201101.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011021112207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 9142915 + ... + 9252833.

It is an arithmetic number, because the mean of its divisors is an integer number (32367658752).

Almost surely, 2^{1011021112206} is an apocalyptic number.

1011021112206 is an abundant number, since it is smaller than the sum of its proper divisors (1578391587954).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1011021112206 is a wasteful number, since it uses less digits than its factorization.

1011021112206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118051 (or 118042 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 1011021112206 its reverse (6022111201101), we get a palindrome (7033132313307).

The spelling of 1011021112206 in words is "one trillion, eleven billion, twenty-one million, one hundred twelve thousand, two hundred six".