110111201122021 has 16 divisors (see below), whose sum is σ = 121488430677120. Its totient is φ = 98962147975680.

The previous prime is 110111201122007. The next prime is 110111201122051. The reversal of 110111201122021 is 120221102111011.

It is not a de Polignac number, because 110111201122021 - 2¹¹ = 110111201119973 is a prime.

It is a super-2 number, since 2×110111201122021² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110111201121986 and 110111201122004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110111201122051) 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, 1251156 + ... + 14892541.

It is an arithmetic number, because the mean of its divisors is an integer number (7593026917320).

Almost surely, 2^{110111201122021} is an apocalyptic number.

110111201122021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

110111201122021 is a deficient number, since it is larger than the sum of its proper divisors (11377229555099).

110111201122021 is a wasteful number, since it uses less digits than its factorization.

110111201122021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16150764.

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

Adding to 110111201122021 its reverse (120221102111011), we get a palindrome (230332303233032).

The spelling of 110111201122021 in words is "one hundred ten trillion, one hundred eleven billion, two hundred one million, one hundred twenty-two thousand, twenty-one".