110021021121 has 32 divisors (see below), whose sum is σ = 168619207680. Its totient is φ = 63107726400.

The previous prime is 110021021081. The next prime is 110021021129. The reversal of 110021021121 is 121120120011.

It is not a de Polignac number, because 110021021121 - 2⁹ = 110021020609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 110021021097 and 110021021106.

It is not an unprimeable number, because it can be changed into a prime (110021021129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 554236 + ... + 726098.

It is an arithmetic number, because the mean of its divisors is an integer number (5269350240).

Almost surely, 2^110021021121 is an apocalyptic number.

110021021121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

110021021121 is a deficient number, since it is larger than the sum of its proper divisors (58598186559).

110021021121 is a wasteful number, since it uses less digits than its factorization.

110021021121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172917.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 110021021121 its reverse (121120120011), we get a palindrome (231141141132).

The spelling of 110021021121 in words is "one hundred ten billion, twenty-one million, twenty-one thousand, one hundred twenty-one".