11020322111 has 4 divisors (see below), whose sum is σ = 11024273424. Its totient is φ = 11016370800.

The previous prime is 11020322101. The next prime is 11020322119. The reversal of 11020322111 is 11122302011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11122302011 = 71 ⋅156652141.

It is a cyclic number.

It is not a de Polignac number, because 11020322111 - 2²² = 11016127807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11020322119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1971470 + ... + 1977051.

It is an arithmetic number, because the mean of its divisors is an integer number (2756068356).

Almost surely, 2^11020322111 is an apocalyptic number.

11020322111 is a deficient number, since it is larger than the sum of its proper divisors (3951313).

11020322111 is an equidigital number, since it uses as much as digits as its factorization.

11020322111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3951312.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 11020322111 its reverse (11122302011), we get a palindrome (22142624122).

The spelling of 11020322111 in words is "eleven billion, twenty million, three hundred twenty-two thousand, one hundred eleven".