11021313111 has 16 divisors (see below), whose sum is σ = 14846189568. Its totient is φ = 7272266400.

The previous prime is 11021313097. The next prime is 11021313113. The reversal of 11021313111 is 11131312011.

It is not a de Polignac number, because 11021313111 - 2⁶ = 11021313047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11021313113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126046 + ... + 194756.

It is an arithmetic number, because the mean of its divisors is an integer number (927886848).

Almost surely, 2^11021313111 is an apocalyptic number.

11021313111 is a deficient number, since it is larger than the sum of its proper divisors (3824876457).

11021313111 is a wasteful number, since it uses less digits than its factorization.

11021313111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69262.

The product of its (nonzero) digits is 18, while the sum is 15.

Adding to 11021313111 its reverse (11131312011), we get a palindrome (22152625122).

The spelling of 11021313111 in words is "eleven billion, twenty-one million, three hundred thirteen thousand, one hundred eleven".