1101311206 has 4 divisors (see below), whose sum is σ = 1651966812. Its totient is φ = 550655602.

The previous prime is 1101311201. The next prime is 1101311207. The reversal of 1101311206 is 6021131011.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×1101311206² = 2425772744922348872, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1101311206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101311201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275327800 + ... + 275327803.

It is an arithmetic number, because the mean of its divisors is an integer number (412991703).

Almost surely, 2^1101311206 is an apocalyptic number.

1101311206 is a deficient number, since it is larger than the sum of its proper divisors (550655606).

1101311206 is an equidigital number, since it uses as much as digits as its factorization.

1101311206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550655605.

The product of its (nonzero) digits is 36, while the sum is 16.

The square root of 1101311206 is about 33186.0091906213. The cubic root of 1101311206 is about 1032.6901137688.

Adding to 1101311206 its reverse (6021131011), we get a palindrome (7122442217).

The spelling of 1101311206 in words is "one billion, one hundred one million, three hundred eleven thousand, two hundred six".