111020022020011 has 24 divisors (see below), whose sum is σ = 120791474026800. Its totient is φ = 101990298009600.

The previous prime is 111020022019997. The next prime is 111020022020023. The reversal of 111020022020011 is 110020220020111.

It is not a de Polignac number, because 111020022020011 - 2⁷ = 111020022019883 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111020022019973 and 111020022020000.

It is not an unprimeable number, because it can be changed into a prime (111020022020041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1266599515 + ... + 1266687163.

It is an arithmetic number, because the mean of its divisors is an integer number (5032978084450).

Almost surely, 2^{111020022020011} is an apocalyptic number.

111020022020011 is a deficient number, since it is larger than the sum of its proper divisors (9771452006789).

111020022020011 is a wasteful number, since it uses less digits than its factorization.

111020022020011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123407 (or 123394 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 111020022020011 its reverse (110020220020111), we get a palindrome (221040242040122).

The spelling of 111020022020011 in words is "one hundred eleven trillion, twenty billion, twenty-two million, twenty thousand, eleven".