11021020022111 has 8 divisors (see below), whose sum is σ = 12347875012944. Its totient is φ = 9748322377920.

The previous prime is 11021020022107. The next prime is 11021020022137. The reversal of 11021020022111 is 11122002012011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11021020022111 - 2² = 11021020022107 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 (11021020022711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13539336230 + ... + 13539337043.

It is an arithmetic number, because the mean of its divisors is an integer number (1543484376618).

Almost surely, 2^{11021020022111} is an apocalyptic number.

11021020022111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11021020022111 is a deficient number, since it is larger than the sum of its proper divisors (1326854990833).

11021020022111 is a wasteful number, since it uses less digits than its factorization.

11021020022111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27078673321.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11021020022111 its reverse (11122002012011), we get a palindrome (22143022034122).

The spelling of 11021020022111 in words is "eleven trillion, twenty-one billion, twenty million, twenty-two thousand, one hundred eleven".