1013111206 has 4 divisors (see below), whose sum is σ = 1519666812. Its totient is φ = 506555602.

The previous prime is 1013111173. The next prime is 1013111213. The reversal of 1013111206 is 6021113101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6021113101 = 5519 ⋅1090979.

It is a self number, because there is not a number n which added to its sum of digits gives 1013111206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253277800 + ... + 253277803.

It is an arithmetic number, because the mean of its divisors is an integer number (379916703).

Almost surely, 2^1013111206 is an apocalyptic number.

1013111206 is a deficient number, since it is larger than the sum of its proper divisors (506555606).

1013111206 is an equidigital number, since it uses as much as digits as its factorization.

1013111206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506555605.

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

The square root of 1013111206 is about 31829.4078801350. The cubic root of 1013111206 is about 1004.3514395093.

Adding to 1013111206 its reverse (6021113101), we get a palindrome (7034224307).

The spelling of 1013111206 in words is "one billion, thirteen million, one hundred eleven thousand, two hundred six".