1021116206 has 32 divisors (see below), whose sum is σ = 1687271040. Its totient is φ = 459626400.

The previous prime is 1021116197. The next prime is 1021116241. The reversal of 1021116206 is 6026111201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1381385 + ... + 1382123.

It is an arithmetic number, because the mean of its divisors is an integer number (52727220).

Almost surely, 2^1021116206 is an apocalyptic number.

1021116206 is a deficient number, since it is larger than the sum of its proper divisors (666154834).

1021116206 is a wasteful number, since it uses less digits than its factorization.

1021116206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1280.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 1021116206 is about 31954.9089499563. The cubic root of 1021116206 is about 1006.9897646904.

Adding to 1021116206 its reverse (6026111201), we get a palindrome (7047227407).

The spelling of 1021116206 in words is "one billion, twenty-one million, one hundred sixteen thousand, two hundred six".